Katie Van v. Llr, Inc. ( 2023 )


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  •                    FOR PUBLICATION
    UNITED STATES COURT OF APPEALS
    FOR THE NINTH CIRCUIT
    KATIE VAN, individually and on             No. 21-36020
    behalf of all others similarly situated,
    D.C. No.
    Plaintiff-Appellee,        3:18-cv-00197-
    HRH
    v.
    LLR, INC., DBA LuLaRoe; and                  OPINION
    LULAROE, LLC,
    Defendants-Appellants.
    Appeal from the United States District Court
    for the District of Alaska
    H. Russel Holland, District Judge, Presiding
    Argued and Submitted December 7, 2022
    Pasadena, California
    Filed March 13, 2023
    Before: Carlos T. Bea, Sandra S. Ikuta, and Morgan
    Christen, Circuit Judges.
    Opinion by Judge Bea;
    Partial Concurrence by Judge Christen
    2                     KATIE VAN V. LLR, INC.
    SUMMARY *
    Class Certification
    The panel vacated the district court’s order certifying a
    class of Alaska purchasers pursuant to Rule 23(f) of the
    Federal Rules of Civil Procedure, and remanded for further
    proceedings.
    Defendant LuLaRoe, a multilevel-marketing company
    that sells clothing to purchasers across the United States
    through “fashion retailers” located in all fifty states,
    allegedly charged sales tax to these purchasers based on the
    location of the retailer rather than the location of the
    purchaser, which resulted in some online purchasers being
    charged, and having paid, sales tax when none was
    owed. LuLaRoe eventually refunded all the improper sales
    tax it collected, but it did not pay interest on the refunded
    amounts. Plaintiff Katie Van, an Alaska resident who paid
    the improperly charged sales tax to LuLaRoe, brought this
    class action under Alaska law on behalf of herself and other
    Alaskans who were improperly charged by and paid sales tax
    to LuLaRoe, for recovery of the interest on the now-refunded
    amounts collected and for recovery of statutory damages in
    the amount of $36 million ($500 per transaction). The
    district court certified the class under Rule 23(b)(3) and
    LuLaRoe appealed under Rule 23(f).
    The panel first rejected LuLaRoe’s argument that class
    certification was improper because the small amount of
    *
    This summary constitutes no part of the opinion of the court. It has
    been prepared by court staff for the convenience of the reader.
    KATIE VAN V. LLR, INC.                  3
    money currently owed to some class members was
    insufficient to support standing and the presence of these
    class members in the class made individualized issues
    predominant over class issues. The panel held that any
    monetary loss, even one as small as a fraction of a cent, was
    sufficient to support standing. Thus, the presence of class
    members who suffered only a fraction of a cent of harm did
    not create an individualized issue that could predominate
    over the class issues.
    The panel next rejected LuLaRoe’s assertion that some
    purchasers knew that the sales tax charge was improper but
    nevertheless voluntarily paid the invoice which contained
    the improperly assessed sales tax amount, and thus, under
    applicable Alaska law, no deceptive practice caused any
    injury for these purchasers. The panel held that it had
    jurisdiction to consider the issue of voluntary payment
    because it was both factually and legally part of the district
    court’s class certification decision. The panel determined
    that LuLaRoe’s minimal proffers of evidence supporting this
    defense were insufficient to raise individualized questions
    that could predominate over the common questions raised by
    Van.
    Finally, the panel held that LuLaRoe’s third argument,
    that class certification should be reversed because some
    fashion retailers offset the improper sales tax through
    individual discounts, had merit. Both parties and the district
    court agreed that any class member who received a discount
    in an amount greater than or equal to the improper sales tax
    for the purpose of offsetting the improper sales tax had no
    claim against LuLaRoe. The panel determined that
    LuLaRoe invoked an individualized issue—that retailer
    discounts left some class members uninjured—and provided
    evidence that at least some class members lacked
    4                   KATIE VAN V. LLR, INC.
    meritorious claims because of this issue, thus raising the
    spectre of class-member-by-class-member adjudication.
    When a defendant substantiates such an individualized issue
    in this way, the district court must determine whether the
    plaintiff has proven by a preponderance of the evidence that
    the questions of law or fact common to class members
    predominate over any questions affecting only individual
    members—that is, whether a class-member-by-class-
    member assessment of the individualized issue will be
    unnecessary or workable. To afford the district court a new
    opportunity to weigh the predominance of class issues
    against this individualized issue, the panel vacated the
    district court’s order certifying the class and remanded for
    further proceedings.
    Concurring in part and concurring in the judgment,
    Judge Christen agreed that class members who suffered
    negligible losses of money, or who were deprived of their
    money for negligible periods of time, suffered concrete
    injuries sufficient for Article III standing. Judge Christen
    also agreed with the majority that LuLaRoe did not show that
    individualized questions related to its voluntary payment
    defense will predominate over common questions, and that
    remand was necessary because it appeared the district court
    may have overlooked LuLaRoe’s Exhibit E, which showed
    eighteen transactions with customers in Alaska who received
    discounts for the express purpose of offsetting LuLaRoe’s
    improperly assessed sales tax. Judge Christen wrote
    separately to briefly address the majority’s conclusion that it
    had interlocutory jurisdiction to consider the voluntary
    payment issue merely because LuLaRoe re-briefed this
    previously rejected defense at the class certification stage
    and to address the majority’s impression that the district
    court somehow misunderstood the way Rule 23 operates
    KATIE VAN V. LLR, INC.                   5
    when it considered LuLaRoe’s evidence that some fashion
    retailers offset the sales tax with discounts. Judge Christen
    agreed that remand was required, but only because the
    district court appeared to have overlooked an exhibit, and
    one could not say that the failure to consider it was harmless.
    COUNSEL
    Andrew M. Jacobs (argued), Snell & Wilmer LLP, Phoenix,
    Arizona; Jing (Jenny) Hua, Steven T. Graham, Randolph T.
    Moore, and Colin R. Higgins, Snell & Wilmer LLP, Costa
    Mesa, California; Michael Baylous and Brewster H.
    Jamieson, Lane Powell PC, Anchorage, Alaska; for
    Defendants-Appellants.
    Kelly K. Iverson (argued) and Jamisen A. Etzel, Lynch
    Carpenter LLP, Pittsburgh, Pennsylvania; Ronald B.
    Carlson, Carlson Brown, Sewickley, Pennsylvania; James J.
    Davis Jr., Northern Justice Project LLC, Anchorage, Alaska;
    Goriune Dudukgian, California Justice Project, Pasadena,
    California; for Plaintiff-Appellee.
    Shelby H. Leighton and Karla Gilbride, Public Justice,
    Washington, D.C., for Amicus Curiae Public Justice.
    6                   KATIE VAN V. LLR, INC.
    OPINION
    BEA, Circuit Judge:
    Defendants LLR, Inc., and LuLaRoe, LLC (collectively
    “LuLaRoe”), appeal the district court’s certification of a
    class of Alaska purchasers pursuant to Rule 23(f) of the
    Federal Rules of Civil Procedure. LuLaRoe allegedly
    charged sales tax to these purchasers based on the location
    of the retailer, rather than the location of the purchaser,
    which resulted in some online purchasers being charged, and
    having paid, sales tax when none was owed.
    LuLaRoe eventually refunded all the improper sales tax
    it collected, but it did not pay interest on the refunded
    amounts. Plaintiff Katie Van, an Alaska resident who paid
    the improperly charged sales tax to LuLaRoe, brought this
    class action under Alaska law on behalf of herself and other
    Alaskans who were improperly charged by, and paid sales
    tax to LuLaRoe for recovery of the interest on the now-
    refunded amounts collected and for recovery of statutory
    damages in the amount of $36 million ($500 per transaction).
    The district court certified the class under Rule 23(b)(3) and
    LuLaRoe appealed under Rule 23(f).
    On appeal, LuLaRoe raises various arguments attacking
    the district court’s certification order. Only one of
    LuLaRoe’s arguments has merit: In its class certification
    decision, the district court clearly erred in its assessment of
    whether the individualized issues generated by the retailer
    discounts—some of which were provided to offset the
    improper sales tax—defeat the predominance of class issues.
    To afford the district court a new opportunity to weigh the
    predominance of class issues against this individualized
    KATIE VAN V. LLR, INC.                    7
    issue, we vacate the district court’s order certifying the class
    and remand for further proceedings.
    I. FACTUAL BACKGROUND AND PROCEDURAL
    HISTORY
    A. Factual Background
    LuLaRoe is a multilevel-marketing company that sells
    clothing to purchasers across the United States through
    “fashion retailers” located in all fifty states. These fashion
    retailers are not typical brick-and-mortar retail outlets.
    Instead, LuLaRoe’s fashion retailers are generally lone
    individuals who sell LuLaRoe merchandise through word-
    of-mouth or social media sales. The fashion retailers
    purchase merchandise from LuLaRoe and are responsible
    for managing all aspects of their independently owned
    businesses, including inventory control, advertising, pricing,
    collection of payment from purchasers, and delivery.
    Nevertheless, LuLaRoe provides certain support systems
    to the fashion retailers, including, from 2014 to 2017, a
    “point-of-sale” system called “Audrey” through which
    retailers could input discounts, calculate tax, process
    payments, and generate invoices and receipts. When
    transactions were processed through Audrey, the sales tax
    portion of the payment on the invoice paid to Audrey was
    transmitted to LuLaRoe. LuLaRoe then forwarded the
    amount of tax paid to the relevant jurisdiction. The fashion
    retailers were not required to use Audrey, and many fashion
    retailers processed payments through other platforms, such
    as Square, PayPal, or Mercari.
    Audrey was meant to have—and was initially believed
    by LuLaRoe to have—the ability to calculate sales tax based
    on either the location of the fashion retailer or the location to
    8                      KATIE VAN V. LLR, INC.
    which the fashion retailer shipped the merchandise.
    However, this proved incorrect. Audrey would always
    collect sales tax based on the location of the fashion retailer,
    even though normal rules of tax law require the calculation
    and collection of sales tax to be based on the location of the
    purchaser. Thus, Audrey’s calculation of the sales tax was
    correct only if the purchaser and the fashion retailer were
    located in the same jurisdiction or jurisdictions with the
    same sales tax rate. 1
    At some point in Audrey’s infancy, LuLaRoe
    implemented a toggle switch to ameliorate this problem.
    The toggle switch allowed fashion retailers using Audrey to
    override the automatic calculation of sales tax and to input
    the retailer’s calculation of the amount of sales tax, including
    zero. However, there is no evidence in the record that
    fashion retailers had training in calculating sales tax, and
    there is evidence that fashion retailers frequently misused the
    toggle switch to remove properly assessed sales tax or to add
    an unnecessary additional sales tax.
    In January 2016, LuLaRoe discovered that the toggle
    switch had caused LuLaRoe to pay more sales tax to local
    jurisdictions than was being collected from purchasers
    because Audrey was programmed to send the same amount
    of sales tax to local jurisdictions whether or not the toggle
    switch was used to charge a different amount to the
    1
    The sales tax rate can depend on the state, county, and/or municipality
    of the purchaser. “Over 10,000 jurisdictions levy sales taxes, each with
    different tax rates, different rules governing tax-exempt goods and
    services, different product category definitions, and different standards
    for determining whether an out-of-state seller has a substantial presence
    in the jurisdiction.” South Dakota v. Wayfair Inc., 
    138 S. Ct. 2080
    , 2103
    (2018) (Roberts, C.J., dissenting) (internal citations omitted).
    KATIE VAN V. LLR, INC.                         9
    purchaser. In April 2016, LuLaRoe responded by disabling
    the toggle switch. As a result, all fashion retailers who used
    Audrey were required to use Audrey’s calculation of the
    sales tax even if the purchaser was located in a jurisdiction
    with a different sales tax rate or no tax at all.
    All told, the 10,606 Alaskan plaintiffs in this case 2 made
    72,373 separate purchases in which sales tax was improperly
    assessed, with LuLaRoe collecting a total of $255,263.72 in
    purported sales tax.
    LuLaRoe identifies two factual complications which
    arose in the administration of Audrey’s sales tax regime and
    which LuLaRoe believes require an individualized
    consideration of each transaction.
    First, LuLaRoe asserts that a significant number of
    fashion retailers—who retained full control over pricing and
    discounts—provided a discount to purchasers in an amount
    equal to or greater than the amount of improperly assessed
    sales tax, or provided purchasers with coupons for future
    LuLaRoe purchases in an amount equal to or greater than the
    amount of improperly assessed sales tax. As a result, those
    customers did not suffer any injury from LuLaRoe’s sales
    tax practice.
    It is unclear how widespread this practice was. Fashion
    retailers discounted 13,680 of the 72,373 Alaskan
    transactions at issue, but it is not clear whether or to what
    extent the discounts were intended to, and had, offset any
    improperly assessed sales tax. Some fashion retailers
    2
    This number is calculated using the number of unique email addresses
    used in purchases of LuLaRoe products in which the product was
    shipped to a jurisdiction in Alaska where the sales tax should have been
    zero, but nonetheless Audrey had added a sales tax amount, not zero.
    10                  KATIE VAN V. LLR, INC.
    annotated the Audrey receipt with language stating that the
    discount was intended to offset the sales tax, some fashion
    retailers annotated the Audrey receipt with language
    acknowledging the improper invoicing of sales tax but not
    explicitly stating that the discount was intended to offset the
    sales tax, and some fashion retailers applied a discount
    without providing any explanation for the discount. Some
    of these unexplained discounts discounted the price by the
    exact amount, or nearly the exact amount, of the improperly
    assessed sales tax.
    Second, LuLaRoe asserts that a significant number of
    fashion retailers explained the improper collection of sales
    tax to purchasers before the purchasers made any purchase.
    LuLaRoe claims that a significant number of class members
    thus do not have a meritorious claim under Alaska law
    because they were not deceived by LuLaRoe’s business
    practices. The extent of this practice is likewise unclear.
    Some invoices submitted by LuLaRoe include notations
    seeming to indicate that the consumer discussed the sales tax
    issue with the fashion retailer. However, every invoice
    which includes such a notation involved a discounted
    transaction. LuLaRoe also submitted four declarations from
    fashion retailers, each of which included the following
    language or similar language:
    [S]ome consumers who reside in states that
    do not charge sales tax on clothing, such as
    Alaska, complained about or objected to sales
    tax being added to their purchases. When this
    occurred, I usually informed them that it was
    LuLaRoe’s policy to calculate, collect, and
    remit sales tax on all Audrey online
    purchases based on the Retailer’s state and
    KATIE VAN V. LLR, INC.                11
    local tax laws . . . . I generally recall that
    some customers did not complete their
    purchase because of the sales tax, while
    others completed their purchase and paid the
    sales tax despite their objection to being
    charged sales tax. On some occasions, the
    customer either asked for a discount to offset
    the sales tax or I provided the discount to
    offset the sales tax on my own.
    In February 2017, LuLaRoe purchasers filed a lawsuit in
    the United States District Court for the Western District of
    Pennsylvania on behalf of a putative class of purchasers who
    were charged sales tax on LuLaRoe purchases. The putative
    class included purchasers who resided in various
    jurisdictions across eleven states, including Alaska, where
    there existed no sales tax on LuLaRoe products.
    In May 2017, LuLaRoe transitioned to a new point-of-
    sale system, which resolved the sales-tax issues. Beginning
    in March 2017 and through June 2017, LuLaRoe issued
    refunds for all charges improperly collected as sales tax.
    However, LuLaRoe did not pay any interest that might have
    accrued between the time of the purchase to the time of
    refund.
    In August 2018, the Pennsylvania court denied class
    certification because of the variations in state laws
    applicable across the putative class.
    B. Procedural History
    In September 2018, Katie Van filed this class action on
    behalf of all Alaskans who were improperly charged a sales
    tax on LuLaRoe purchases. Van is an Alaskan and was a
    prolific purchaser of LuLaRoe products. From Spring 2016
    12                   KATIE VAN V. LLR, INC.
    to Fall 2017, Van purchased about $10,000 worth of
    LuLaRoe merchandise and paid $531.25 in improperly
    collected sales tax.
    Van filed an amended complaint within days of her
    original complaint. LuLaRoe moved to dismiss Van’s
    amended complaint on various grounds. The district court
    granted the motion to dismiss on the grounds that the class
    members lacked standing—reasoning that, because the class
    has already been compensated for the improperly collected
    sales tax, the remaining injury suffered by the class was “too
    trifling of an injury to support constitutional standing.” Van
    v. LLR, Inc., No. 3:18-CV-0197-HRH, 
    2019 WL 1005181
    ,
    at *6 (D. Alaska Mar. 1, 2019) (quoting Skaff v. Meridien N.
    Am. Beverly Hills, LLC, 
    506 F.3d 832
    , 840 (9th Cir. 2007)
    (per curiam)). The district court, using an interest rate of
    4.35% per year, calculated that Van’s purchases of about
    $10,000 of LuLaRoe merchandise and improper payment of
    $531.25 in sales tax had resulted in only $3.76 in lost interest
    as Van’s remaining injury. 
    Id.
    Van appealed and we reversed, holding that “[t]he
    district court erred by concluding that $3.76 is too little to
    support Article III standing.” Van v. LLR, Inc., 
    962 F.3d 1160
    , 1162 (9th Cir. 2020) (quotation marks omitted). We
    reasoned that, “[f]or standing purposes, a loss of even a small
    amount of money is ordinarily an ‘injury.’” 
    Id.
     (quoting
    Czyzewski v. Jevic Holding Corp., 
    580 U.S. 451
    , 464
    (2017)). We remarked that “[a]ny monetary loss suffered by
    the plaintiff satisfies the injury in fact element; even a small
    financial loss suffices.” 
    Id.
     (alterations adopted) (quotation
    marks omitted) (quoting Carter v. HealthPort Techs., LLC,
    
    822 F.3d 47
    , 55 (2d Cir. 2016)).
    KATIE VAN V. LLR, INC.                  13
    On remand, the district court vacated its order and
    addressed the remaining grounds in the motion to dismiss.
    The district court dismissed one of the two claims in the
    complaint but granted Van leave to amend.            Van
    subsequently filed a second amended complaint, which is
    now the operative pleading.
    Van brings two claims in her second amended complaint.
    Van’s first claim alleges that LuLaRoe violated the Alaska
    Unfair Trade Practices and Consumer Protection Act, 
    Alaska Stat. § 45.50.471
    , et seq. (“UTPCPA”). The UTPCPA
    prohibits, inter alia, unfair or deceptive acts or practices in
    the conduct of trade or commerce. § 45.50.471(a). The
    UTPCPA authorizes a private right of action for any person
    “who suffers an ascertainable loss of money or property” as
    a result of an unfair or deceptive act or practice, and sets
    statutory damages “for each unlawful act or practice [at]
    three times the actual damages or $500, whichever is
    greater.” § 45.50.531(a). Van’s second claim asserts that
    LuLaRoe’s business practices amounted to conversion and
    misappropriation under Alaska common law.
    LuLaRoe moved to dismiss Van’s second amended
    complaint, but the district court denied the motion to
    dismiss.    LuLaRoe then answered Van’s complaint,
    asserting various affirmative defenses.
    In January 2021, Van moved to strike the twentieth
    affirmative defense asserted in LuLaRoe’s complaint, which
    defense asserted that Van’s and the class’s claims were
    barred “under the voluntary payment doctrine.” Van argued
    that the voluntary payment doctrine is not recognized under
    Alaska law and is contrary to the provisions of the UTPCPA.
    The district court granted the motion and struck the defense
    as it pertains to the UTPCPA claims.
    14                   KATIE VAN V. LLR, INC.
    Van then moved for class certification. Van proposed
    the following class definition: “All persons who paid ‘tax’
    on a purchase of LuLaRoe products and whose purchase was
    delivered into a location in Alaska that does not assess a
    sales or use tax on the clothing that LuLaRoe sells.” Van’s
    motion for class certification sought to pursue only the
    UTPCPA claims in a class setting. After oral argument, the
    district court granted the motion, certified the proposed
    class, and appointed Van’s attorneys as class counsel.
    LuLaRoe petitioned the Ninth Circuit pursuant to Rule
    23(f) of the Federal Rules of Civil Procedure for permission
    to appeal the certification order. A motions panel granted
    permission to appeal.
    II. STANDARD OF REVIEW
    A district court’s grant or denial of class certification is
    reviewed for abuse of discretion. Sandoval v. Cnty. of
    Sonoma, 
    912 F.3d 509
    , 515 (9th Cir. 2018). A class
    certification order is an abuse of discretion if the district
    court applied an incorrect legal rule or if its application of
    the correct legal rule was based on a “factual finding that was
    illogical, implausible, or without support in inferences that
    may be drawn from the facts in the record.” United States v.
    Hinkson, 
    585 F.3d 1247
    , 1263 (9th Cir. 2009) (en banc);
    Jimenez v. Allstate Ins. Co., 
    765 F.3d 1161
    , 1164 (9th Cir.
    2014).
    Any underlying determinations of law are reviewed de
    novo, Yokoyama v. Midland Nat. Life Ins. Co., 
    594 F.3d 1087
    , 1091 (9th Cir. 2010), and any underlying
    determinations of fact are reviewed for clear error. Senne v.
    Kansas City Royals Baseball Corp., 
    934 F.3d 918
    , 926 (9th
    Cir. 2019).
    KATIE VAN V. LLR, INC.                       15
    We generally accord more deference to a district court’s
    grant of class certification as opposed to a district court’s
    denial of class certification. Id.; Parsons v. Ryan, 
    754 F.3d 657
    , 673 (9th Cir. 2014).
    III. DISCUSSION
    Class certification is governed by Rule 23 of the Federal
    Rules of Civil Procedure. Under Rule 23, a class action may
    be maintained if the four prerequisites of Rule 23(a) are met,
    and the action meets one of the three kinds of actions listed
    in Rule 23(b). The parties here primarily debate whether
    “the questions of law or fact common to class members
    predominate over any questions affecting only individual
    members,” as required for the action to be brought under
    Rule 23(b)(3). 3 Specifically, LuLaRoe argues that class
    certification was improper because individualized issues
    predominate over class issues.
    LuLaRoe identifies the following individualized issues
    that LuLaRoe believes predominate over class issues and
    made class adjudication improper: (1) LuLaRoe’s refunding
    the improperly assessed sales tax leaves most of the class
    with only a miniscule remaining injury, which is “too
    trifling” to support Article III standing for many class
    members; (2) some purchasers knew that the sales tax charge
    was improper but nevertheless voluntarily paid the invoice
    which contained the improperly assessed sales tax amount,
    and thus, under applicable Alaska law, no deceptive practice
    caused any injury for these purchasers; and (3) some
    purchasers received discounts from retailers to offset the
    3
    No party argues that this case meets the requirements of Rule 23(b)(1)
    or (b)(2).
    16                     KATIE VAN V. LLR, INC.
    improperly assessed sales tax and thus suffered no loss. 4 We
    address each argument in turn.
    First, a word on the Alaska statute at issue here: The
    UTPCPA has a fairly simple structure. The first section
    declares certain trade practices, including “using or
    employing . . . fraud,” to be unlawful. 
    Alaska Stat. § 45.50.471
    . Subsequent sections empower the Alaska
    Attorney General to regulate, § 45.50.491, and to investigate
    such conduct, § 45.50.495. The Alaska Attorney General
    can also bring suit against individuals who engage in
    prohibited trade practices, seeking injunctive relief, §
    45.50.501, and/or civil penalties, § 45.50.551. See, e.g.,
    State v. O’Neill Investigations, Inc., 
    609 P.2d 520
    , 534
    (Alaska 1980) (a suit by the Alaska Attorney General under
    the UTPCPA).
    Other sections of the statute permit individual and class
    actions for money damages and injunctive relief. Prior
    rejection of suit on the claim by the Alaska Attorney General
    is not a prerequisite. Private suits for injunctive relief are
    4
    LuLaRoe’s opening brief contained a fourth argument, which LuLaRoe
    declined to press at oral argument: LuLaRoe’s brief argued that its
    voluntary refund program was a superior method of resolving the class
    members’ claims, and that Van is accordingly an inadequate
    representative for pursuing class litigation on behalf of the class. See
    Fed. R. Civ. P. 23(a)(4), (b)(3). We reject this argument. Rule 23 asks
    whether the class action format is superior to other methods of
    adjudication, not whether a class action is superior to other methods of
    compensating victims. Because a voluntary refund program, such as that
    undertaken by LuLaRoe, is not a method for “adjudicating” the
    controversy between LuLaRoe and its customers, it is irrelevant to the
    superiority analysis under Rule 23(b)(3). Further, Van did not have a
    choice between “accepting” the refund or pursuing class litigation
    because the refund was complete before Van filed suit.
    KATIE VAN V. LLR, INC.                   17
    available to “any person who was the victim of the unlawful
    act, whether or not the person suffered actual damages.” §
    45.50.535. However, private plaintiffs seeking money
    damages must demonstrate that they “suffer[ed] an
    ascertainable loss of money or property as a result of another
    person’s act or practice declared unlawful by [the first
    section of the UTPCPA.]” § 45.50.531. In suits for money
    damages, private plaintiffs can “recover for each unlawful
    act or practice three times the actual damages or $500,
    whichever is greater.” Id.
    A. Whether Class Members Who Suffered Small
    Injuries Lack Standing
    To establish standing under Article III of the
    Constitution, a plaintiff must show that he has “(1) suffered
    an injury in fact, (2) that is fairly traceable to the challenged
    conduct of the defendant, and (3) that is likely to be
    redressed by a favorable judicial decision.” Gill v. Whitford,
    
    138 S. Ct. 1916
    , 1929 (2018) (quoting Spokeo, Inc. v.
    Robins, 
    578 U.S. 330
    , 338 (2016)). An “injury in fact” is
    “an invasion of a legally protected interest which is (a)
    concrete and particularized and (b) actual or imminent, not
    conjectural or hypothetical.” Lujan v. Defs. of Wildlife, 
    504 U.S. 555
    , 560 (1992) (citations and internal quotation marks
    omitted). At issue here is whether the small amount of
    money currently owed to some class members is sufficiently
    concrete to support standing. The key issue for concreteness
    is whether the injury “actually exist[s]”—whether it can be
    described as “real.” Spokeo, 578 U.S. at 340.
    “Article III standing requires a concrete injury even in
    the context of a statutory violation.” Id. at 341. In other
    words, even though the plaintiffs in this case are seeking $36
    18                  KATIE VAN V. LLR, INC.
    million in statutory damages, we must still ensure that
    plaintiffs are seeking to vindicate a concrete injury.
    After LuLaRoe refunded all money that was improperly
    collected as sales tax, the only remaining injury suffered by
    class members for which they remain uncompensated is “the
    lost time value of money” for the period between the
    improper charge and the refund. Interest is used as a proxy
    for and method of quantifying this injury. See Van, 962 F.3d
    at 1165 (“Interest is simply a way of measuring and
    remedying Van’s injury, not the injury itself.”).
    It is not disputed that a significant number of class
    members were deprived of a negligible amount of money
    and/or were deprived of money for only a negligible amount
    of time. It is not disputed that 101 class members are owed
    less than $0.01 in interest, 230 are owed $0.01 in interest,
    447 are owed $0.02 in interest, 457 are owed $0.03 in
    interest, 434 are owed $0.04 in interest, and 357 are owed
    $0.05 in interest. This represents 2,041 of the 10,369 class
    members. LuLaRoe argues that these class members lack
    standing under Article III of the Constitution and their
    presence in the class makes individualized issues
    predominate over class issues.
    In our previous decision, we held that “the temporary
    loss of use of one’s money constitutes an injury in fact for
    purposes of Article III.” Id. at 1164. The question now is
    whether the loss can be for such a short amount of time or
    involving such a small amount of money that the loss is “too
    trifling” to be a concrete injury. We answer that question:
    No. As we held in our previous decision, “a loss of even a
    small amount of money is ordinarily an ‘injury,’” id. at 1162
    (quoting Czyzewski, 580 U.S. at 464), and “[a]ny monetary
    loss suffered by the plaintiff satisfies the injury in fact
    KATIE VAN V. LLR, INC.                         19
    element,” id. (quoting Carter, 
    822 F.3d at 55
    ) (alteration
    adopted). Today, we reaffirm this language. Any monetary
    loss, even one as small as a fraction of a cent, is sufficient to
    support standing. See TransUnion LLC v. Ramirez, 
    141 S.Ct. 2190
    , 2204 (2021) (“If a defendant has caused physical
    or monetary injury to the plaintiff, the plaintiff has suffered
    a concrete injury in fact under Article III.”). 5 Thus, the
    presence of class members who suffered only a fraction of a
    cent of harm does not create an individualized issue that
    could predominate over class issues. 6
    B. Whether Class Certification Should Be Reversed
    Because Some Class Members Voluntarily Paid the
    Sales Tax
    LuLaRoe argues that some fashion retailers explained
    the sales tax situation to purchasers before the purchasers
    paid the improperly assessed sales tax. LuLaRoe argues that
    some purchasers therefore lack a meritorious claim because
    they were not deceived by LuLaRoe’s sales tax practices and
    instead voluntarily completed the transaction and paid the
    improperly assessed sales tax. LuLaRoe argues that the
    purchaser-by-purchaser assessment of the voluntariness of
    5
    Our decision in Skaff v. Meridien North American Beverly Hills, LLC,
    
    506 F.3d 832
     (9th Cir. 2007) (per curiam), is inapposite because it did
    not address whether a small financial injury is a legally cognizable harm.
    6
    LuLaRoe suggests in its opening brief (and argues in its reply brief)
    that the small losses suffered by some class members may be insufficient
    for statutory standing under Alaska law because the UTPCPA permits a
    private right of action to be brought under its terms only by individuals
    who have suffered “an ascertainable loss.” 
    Alaska Stat. § 45.50.531
    (a).
    However, the Alaska Supreme Court has held that a loss can be
    “ascertainable” for UTPCPA purposes even if it is nominal or
    speculative. See Jones v. Westbrook, 
    379 P.3d 963
    , 970 n.39 (Alaska
    2016).
    20                  KATIE VAN V. LLR, INC.
    the payments makes individualized issues predominate over
    class issues.
    Van provides two alternative reasons for rejecting this
    argument. First, Van argues that the voluntary payment
    doctrine defense was resolved in the motion to strike, not the
    motion for class certification, and the district court’s
    rejection of the defense is thus outside the scope of the Ninth
    Circuit’s current appellate jurisdiction. Second, Van argues
    that the district court’s rejection of the voluntary payment
    doctrine defense was correct.
    1. We Have Jurisdiction to Consider the Issue of Voluntary
    Payment
    “Federal courts are courts of limited jurisdiction. They
    possess only that power authorized by Constitution and
    statute, which is not to be expanded by judicial decree.”
    Kokkonen v. Guardian Life Ins. Co. of Am., 
    511 U.S. 375
    ,
    377 (1994) (citations omitted). The courts of appeals are no
    exception. Not only are we constrained in the types of cases
    we may decide, but we are also constrained in the types of
    orders we may review.
    “In general, we may review only final judgments of a
    district court on appeal.” Cunningham v. Gates, 
    229 F.3d 1271
    , 1283 (9th Cir. 2000). However, Congress has
    permitted a limited category of nonfinal orders, called
    “interlocutory” orders, to be appealed before entry of final
    judgment. In 
    28 U.S.C. § 1292
    (e), Congress permitted the
    Supreme Court to prescribe rules defining interlocutory
    orders that may be immediately appealed. Rule 23(f) of the
    Federal Rules of Civil Procedure, which permits an appeal
    from an order granting or denying class certification, is one
    such rule. The district court’s order which granted class
    KATIE VAN V. LLR, INC.                     21
    certification in this case meets the requirements for
    immediate appeal. 7
    So the issue properly before us is whether the district
    court was correct to grant class certification against
    LuLaRoe. Under certain circumstances, an appellate court
    reviewing an interlocutory decision may also extend its
    reach to other orders that are “inextricably intertwined with”
    or “necessary to ensure meaningful review of” the properly
    appealable decision. See K.W. ex rel. D.W. v. Armstrong,
    
    789 F.3d 962
    , 975 (9th Cir. 2015). However, an exercise of
    such “pendent appellate jurisdiction” is not necessary in this
    case.
    We have jurisdiction to review issues “that form part of
    the district court’s class certification decision,” Moser v.
    Benefytt, Inc., 
    8 F.4th 872
    , 875 (9th Cir. 2021), and
    “anything that properly enters the determination whether to
    certify a class is bound up with the order,” 
    id.
     (quoting 16
    Charles A. Wright, Arthur R. Miller & Edward H. Cooper,
    Federal Practice and Procedure § 3931.1 (3d ed. Apr. 2021
    Update)). The issue raised by LuLaRoe on appeal is both
    factually and legally part of the district court’s class
    certification decision.
    As a factual matter, LuLaRoe re-raised the issue in the
    certification briefing and the issue was re-addressed by the
    district court at the certification stage, albeit cursorily and by
    reference to its previous decision. Thus, the issue formed a
    part of the class certification decision, even though it also
    7
    Rule 23(f) requires a party seeking appeal under its provisions to
    receive permission from the court of appeals before doing so, a
    precondition which LuLaRoe satisfied.
    22                      KATIE VAN V. LLR, INC.
    formed a part of the decision resolving Van’s motion to
    strike.
    As a legal matter, the Supreme Court has made clear that
    the predominance question “trains on the legal and factual
    questions that qualify each class member’s case.” Amchem
    Prod., Inc. v. Windsor, 
    521 U.S. 591
    , 623 (1997). The
    Supreme Court has specifically noted that varying
    applicability of state law defenses can defeat predominance.
    
    Id. at 625
    ; see also Wal-Mart Stores, Inc. v. Dukes, 
    564 U.S. 338
    , 367 (2011). The validity and prevalence of state law
    defenses must be considered in the predominance inquiry.
    Thus, the validity and prevalence of state law defenses
    are not “‘pendent’ to the class certification decision, but
    simply the class certification decision itself.” Moser, 8 F.4th
    at 876; 8 see also Ashcroft v. Iqbal, 
    556 U.S. 662
    , 673 (2009)
    (holding that appellate jurisdiction extends to issues
    “directly implicated by” the ruling under review); Hartman
    v. Moore, 
    547 U.S. 250
    , 257 (2006) (same).
    Because an assessment of the validity and prevalence of
    state law issues, including the defense raised by LuLaRoe
    here, is a necessary part of a class certification decision, the
    mere fact that a district court addressed the issue in ruling on
    a Rule 12 motion does not insulate the issue from appellate
    review if the issue was re-briefed at the class certification
    stage and therefore formed a part of the class certification
    8
    See also id. at 875 (“If the district court lacked personal jurisdiction
    over non-California plaintiffs, that presents obvious reasons why, under
    the Rule 23 requirements, certification of a nationwide class would be
    improper. . . . The personal jurisdiction and waiver questions are thus
    not ancillary to class certification, but central to the nationwide classes
    that the district court certified and, again, part of the very class
    certification decision we permitted [the defendant] to appeal.”).
    KATIE VAN V. LLR, INC.                           23
    decision. 9 Because we have jurisdiction to review the class
    certification decision, we have jurisdiction to review
    LuLaRoe’s voluntary payment defense.
    2. LuLaRoe Did Not Substantiate the Individualized Issue
    of Voluntary Payment.
    It is questionable whether a purchaser’s voluntary
    payment of an improperly charged sales tax is a defense—
    affirmative or otherwise—to a UTPCPA claim under Alaska
    law. However, we need not delve into this murky area of
    state law. Even assuming, arguendo, that such a defense is
    valid under Alaska law, applies to the UTPCPA, and that the
    communications by some retailers were sufficient to make
    the defense applicable, LuLaRoe’s minimal proffers of
    evidence supporting this defense were insufficient to raise
    individualized questions that could predominate over the
    common questions raised by Van.
    9
    The concurrence argues that we reached a contrary conclusion in Ruiz
    Torres v. Mercer Canyons Inc., 
    835 F.3d 1125
     (9th Cir. 2016). However,
    Ruiz Torres reaffirmed that “we consider merits questions at the class
    certification stage . . . to the extent they are relevant to whether Rule 23
    requirements have been met.” 
    Id. at 1133
    . The question of whether
    LuLaRoe defeated predominance through its invocation of the voluntary
    payment defense is undoubtedly relevant to the Rule 23 analysis.
    Ruiz Torres is distinguishable from this case because the defendants in
    Ruiz Torres did not re-raise the issue at the class certification stage.
    Compare ECF No. 47 at 18–19, Ruiz Torres v. Mercer Canyons, Inc.,
    No. 1:14-CV-3032 (E.D. Wash. November 17, 2014) (arguing, at the
    summary judgment stage, that the defendants did not have a disclosure
    duty), with ECF No. 99, Ruiz Torres v. Mercer Canyons, Inc., No. 1:14-
    CV-3032 (E.D. Wash. February 20, 2015) (not making any such
    argument at the class certification stage). An issue cannot “form part of
    the district court’s class certification decision,” Moser, 8 F.4th at 875, if
    it was never raised at the class certification stage.
    24                      KATIE VAN V. LLR, INC.
    It is the plaintiff’s burden to prove that class issues
    predominate. 10 See Olean Wholesale Grocery Cooperative,
    Inc. v. Bumble Bee Foods LLC, 
    31 F.4th 651
    , 664–65 (9th
    Cir. 2022) (en banc). However, a plaintiff need not rebut
    every individualized issue that could possibly be raised. To
    demand such proof would be akin to demanding proof “that
    plaintiffs would win at trial.” Id. at 667.
    Instead, a plaintiff must merely demonstrate by a
    preponderance of the evidence that a common question of
    law or fact exists—an issue that is capable of class-wide
    resolution. In Olean, for example, we held that an expert
    economist’s statistical regression model was “capable of
    resolving a class-wide question in one stroke” in an antitrust
    case because the statistical model was sufficient to be used
    “as evidence of the conspiracy’s impact on similarly situated
    class members.” Id. at 666, 675. Thus, the statistical model
    and expert’s testimony generated common issues of fact.
    If the plaintiff demonstrates that class issues exist, the
    defendant must invoke individualized issues and provide
    sufficient evidence that the individualized issues bar
    recovery on at least some claims, thus raising the spectre of
    class-member-by-class-member adjudication of the issue.
    See True Health Chiropractic, Inc. v. McKesson Corp., 
    896 F.3d 923
    , 932 (9th Cir. 2018) (“[W]e do not consider . . .
    defenses that [the defendant] might advance or for which it
    has presented no evidence.” (emphasis added)).
    10
    In this opinion, we write with the assumption that the plaintiff is the
    party seeking class certification and the defendant is the party opposing
    class certification. However, this analysis applies with equal force in the
    unusual circumstances where a different party seeks or opposes class
    certification.
    KATIE VAN V. LLR, INC.                          25
    If the defendant provides evidence that a valid defense—
    affirmative or otherwise—will bar recovery on some claims,
    then the district court must determine, based on the particular
    facts of the case, “whether individualized questions . . . ‘will
    overwhelm common ones and render class certification
    inappropriate under Rule 23(b)(3).’” Olean, 31 F.4th at 669
    (quoting Halliburton Co. v. Erica P. John Fund, Inc., 
    573 U.S. 258
    , 276 (2014)). 11
    As pertains to the voluntary payment issue raised by
    LuLaRoe, LuLaRoe failed to provide sufficient evidence
    that any class member would lack a meritorious claim on this
    basis. Only a handful of Alaskan invoices submitted to the
    district court demonstrate that the purchaser knew of the
    sales tax issue before completing the purchase. And on each
    of these invoices, the purchaser was provided a discount on
    the transaction equal to or greater than the amount of
    11
    The question is not whether a great number of plaintiffs will win or
    lose at trial on the individualized issue. Olean, 31 F.4th at 667. Rather,
    the district court must assess the necessity and manageability of the
    potential class-member-by-class-member discovery process and trial.
    See generally Sandusky Wellness Ctr., LLC v. ASD Specialty Healthcare,
    Inc., 
    863 F.3d 460
    , 468 (6th Cir. 2017); Gene And Gene LLC v. BioPay
    LLC, 
    541 F.3d 318
    , 326 (5th Cir. 2008). On the one hand, if the
    discovery and trial process must assess thousands of claims one claim at
    a time, then the individualized issue will weigh heavy in the
    predominance balancing. On the other hand, if the district court
    determines that the individualized issue is limited to a small number of
    class members or will otherwise be simple to investigate and present at
    trial, the district court might reasonably certify the class in the face of
    the individualized issue. See Tyson Foods, Inc. v. Bouaphakeo, 
    577 U.S. 442
    , 453 (2016). When making this assessment, the district court should
    keep in mind that the plaintiff bears the burden of proving that class
    issues predominate over individualized issues. See Olean, 31 F.4th at
    664–65.
    26                  KATIE VAN V. LLR, INC.
    improper sales tax, with at least some of the discounts
    provided for the express purpose of offsetting the sales tax.
    As LuLaRoe has vigorously argued in this appeal, any
    purchaser who received a discount, especially those
    purchasers who discussed the sales tax issue with the fashion
    retailer, may have received the discount for the purpose of
    offsetting the improper sales tax. And, as discussed below,
    any purchaser who received a discount in an amount greater
    than or equal to the improper sales tax for the purpose of
    offsetting the sales tax never paid the improper tax at all.
    Because these purchasers did not pay the sales tax, or at
    least their invoices do not demonstrate that they paid the
    sales tax, their invoices are not sufficient evidence that any
    class member knew of the sales tax and then paid it. The
    invoices, then, are not sufficient evidence that the
    individualized issue of voluntary payment bars recovery on
    at least some claims.
    The fashion retailer declarations suffer from the same
    problem. Although the declarations generally assert that
    some consumers across the country were told of the sales tax
    issue, the declarations do not state with certainty that any
    member of this Alaska class was informed of the nature of
    the improper sales tax, was not provided a discount, and paid
    the sales tax nonetheless.
    We do not permit a defendant to support its invocation
    of individualized issues with mere speculation. See True
    Health, 896 F.3d at 932. LuLaRoe’s scant evidence of
    voluntary payment is not sufficient to defeat predominance.
    KATIE VAN V. LLR, INC.                          27
    C. Whether Class Certification Should Be Reversed
    Because Some Fashion Retailers Offset the Tax Via
    Individual Discounts
    Both parties and the district court agree that any class
    member who received a discount in an amount greater than
    or equal to the improper sales tax for the purpose of
    offsetting the improper sales tax has no claim against
    LuLaRoe. 12 LuLaRoe provided evidence that at least
    eighteen of the 13,680 discounts provided to class members
    were provided for the purpose of offsetting the improperly
    assessed sales tax. However, the district court certified the
    class nonetheless because it held that “the number of
    proposed class members for whom it can presently be
    determined received a discount to offset the sales tax being
    billed is de minim[i]s.” 13
    12
    At first glance, this issue might seem to be one of state law: Because
    these class members received a discount to offset the improperly
    assessed sales tax, they lack a claim under the UTPCPA because the
    UTPCPA requires an “ascertainable loss.” Even if a class contains some
    individuals who lack a meritorious claim for damages under state law,
    the class may still be certified so long as the class issues predominate
    over the administrability burden that will be required to identify such
    individuals. See Olean, 31 F.4th at 669; see also Halliburton Co. v. Erica
    P. John Fund, Inc., 
    573 U.S. 258
    , 276 (2014).
    However, this issue also takes on a constitutional dimension: If these
    class members have not suffered any loss or injury, they also lack Article
    III standing. “The Supreme Court expressly held open the question
    ‘whether every class member must demonstrate standing before a court
    certifies a class.’” Olean, 31 F.4th at 682 n.32 (quoting TransUnion, 141
    S. Ct. at 2208 n.8) (emphasis omitted). We need not answer that question
    in this appeal, but the district court may be required to address the issue
    on remand.
    The district court failed to cite or discuss one of LuLaRoe’s exhibits,
    13
    which included at least eighteen examples where an Alaska customer
    28                      KATIE VAN V. LLR, INC.
    The district court’s analysis rests on a misunderstanding
    of the Rule 23 inquiry. Rule 23 does not demand proof of
    who will win or lose at trial. See Olean, 31 F.4th at 667.
    LuLaRoe invoked an individualized issue—that retailer
    discounts left some class members uninjured—and provided
    evidence that at least some class members lack meritorious
    claims because of this issue, thus summoning the spectre of
    class-member-by-class-member adjudication.
    13,680 discounts were provided to class members.
    LuLaRoe’s evidence, even though it consisted of only a
    small number of invoices, was sufficient to prove that an
    inquiry into the circumstances and motivations behind each
    of the 13,680 discounts might be necessary. This inquiry,
    which could potentially involve up to 13,680 depositions and
    months of trial, certainly cannot be described as de minimis.
    When a defendant substantiates such an individualized
    issue in this way, the district court must determine whether
    the plaintiff has proven by a preponderance of the evidence
    that the questions of law or fact common to class members
    was provided a discount for the express purpose of offsetting the
    improperly assessed sales tax. Because the exhibit included more than
    two examples where the discount was provided for the express purpose
    of offsetting the sales tax, the district court’s conclusion that “only two
    [invoices] expressly stated that the discount being provided was to offset
    the sales tax being billed” was clearly erroneous. Nonetheless, the
    factual error is insignificant compared to the legal error; whether
    LuLaRoe provided two or eighteen examples, LuLaRoe had
    substantiated the individualized issue—that is, LuLaRoe’s exhibits
    demonstrated that at least some purchasers lack meritorious claims
    because they were provided a discount that left them uninjured. The
    district court was required to assess whether Van had met her burden of
    proving that the questions of law or fact common to class members
    predominate over any questions affecting only individual members.
    KATIE VAN V. LLR, INC.                 29
    predominate over any questions affecting only individual
    members—that is, whether a class-member-by-class-
    member assessment of the individualized issue will be
    unnecessary or workable. See, e.g., Bowerman v. Field Asset
    Services, Inc., No. 18-16303, slip op. at 19–24 (9th Cir. Feb.
    14, 2023) (ordering the de-certification of a class action
    where the trial of the individualized issues would be
    “prohibitively cumbersome” and the plaintiff had failed to
    prove that the class issues nevertheless predominated over
    the individualized issues).
    IV. CONCLUSION
    For the reasons stated above, we vacate the district
    court’s order granting class certification and remand for
    further proceedings. On remand, the district court should re-
    assess whether Van has met her burden of proving by a
    preponderance of the evidence that common issues
    predominate over questions affecting only individual
    members.
    Each party shall bear its own costs for this appeal.
    VACATED AND REMANDED.
    CHRISTEN, Circuit Judge, concurring in part and
    concurring in the judgment:
    I agree with my colleagues that class members who
    suffered negligible losses of money, or who were deprived
    of their money for negligible periods of time, suffered
    concrete injuries sufficient for Article III standing. I also
    agree with the majority that LuLaRoe did not show that
    individualized questions related to its voluntary payment
    defense will predominate over common questions, and that
    30                  KATIE VAN V. LLR, INC.
    remand is necessary because it appears the district court may
    have overlooked LuLaRoe’s Exhibit E. That exhibit showed
    eighteen transactions with customers in Alaska who received
    discounts for the express purpose of offsetting LuLaRoe’s
    improperly assessed sales tax.
    I write separately to briefly address the majority’s
    conclusion that we have interlocutory jurisdiction to
    consider the voluntary payment issue merely because
    LuLaRoe re-briefed this previously rejected defense at the
    class certification stage, and to address the majority’s
    impression that the district court somehow misunderstood
    the way Rule 23 operates when it considered LuLaRoe’s
    evidence that some fashion retailers offset the sales tax with
    discounts. In my view, it is plain the district court was aware
    that retailers gave discounts for many reasons and that the
    relevant issue for purposes of class certification concerned
    the number of uninjured prospective class members, not the
    number of transactions. I agree that remand is required, but
    only because the district court appears to have overlooked an
    exhibit, and we cannot say that the failure to consider it was
    harmless.
    A.
    Pre-class certification, the district court granted Van’s
    motion to strike LuLaRoe’s “voluntary payment” defense.
    LuLaRoe re-raised the voluntary payment doctrine in its
    opposition to class certification and argued that plaintiffs
    who knowingly paid LuLaRoe’s unwarranted sales tax did
    not suffer an “ascertainable loss” within the meaning of the
    Alaska Unfair Trade Practices and Consumer Protection Act
    (UTPCPA). In its order granting class certification, the
    district court reasoned that LuLaRoe’s ascertainable loss
    argument was “largely a recast” of the voluntary payment
    KATIE VAN V. LLR, INC.                  31
    defense that the court had previously considered and
    rejected. In the process of rejecting all of LuLaRoe’s
    arguments in opposition to class certification, the court
    reiterated its prior ruling striking the voluntary payment
    defense.
    Our jurisdiction on interlocutory appeal from an order
    granting or denying class certification is limited to the class
    certification order. See, e.g., Stockwell v. City & County of
    San Francisco, 
    749 F.3d 1107
    , 1113 (9th Cir. 2014) (“We
    must police the bounds of our jurisdiction vigorously here as
    elsewhere, and so may not ourselves venture into merits
    issues unnecessary to the Rule 23 issue before us.” (citation
    omitted)). We have previously rejected litigants’ attempts to
    slip prior rulings into a Rule 23(f) appeal through the
    backdoor. For example, in Ruiz Torres v. Mercer Canyons
    Inc., we declined an invitation to review a party’s recycled
    arguments:
    Mercer argues that the district court
    “committed a per se abuse of discretion by
    misinterpreting      the    substantive      law
    governing plaintiffs’ claims, which led it to
    divine common issues.” This is essentially
    the same argument made by Mercer in its
    motion for summary judgment . . . . To
    resolve this question at the class certification
    stage would provide Mercer the sort of
    interlocutory review of the summary
    judgment order that the district court had
    declined to certify.
    
    835 F.3d 1125
    , 1133 (9th Cir. 2016). Ruiz Torres explained
    that on interlocutory review from a class certification order,
    32                   KATIE VAN V. LLR, INC.
    we reach merits issues “only to the extent they are relevant
    to whether Rule 23 requirements have been met.” 
    Id.
    (emphasis added). We are not alone in narrowly construing
    our interlocutory jurisdiction in Rule 23(f) appeals. See, e.g.,
    CGC Holding Co. v. Broad & Cassel, 
    773 F.3d 1076
    , 1098
    (10th Cir. 2014) (“Rule 23 does not permit a party to
    shoehorn every decision that went against it into its petition
    for interlocutory review.”); In re Lorazepam & Clorazepate
    Antitrust Litig., 
    289 F.3d 98
    , 107 (D.C. Cir. 2002) (“Mylan’s
    effort to recast its Rule 12(b)(6) arguments as a challenge to
    class certification on the ground that a class of direct
    purchasers lacks antitrust standing, is to no avail. . . .
    [R]eview of such issues would expand Rule 23(f)
    interlocutory review to include review of any question raised
    in a motion to dismiss that may potentially dispose of a
    lawsuit as to the class as a whole.”).
    The majority invokes our decision in Moser v. Benefytt,
    Inc., 
    8 F.4th 872
     (9th Cir. 2021), but Moser does not expand
    our interlocutory review beyond the class certification order.
    In Moser, a defendant opposing class certification argued
    that the district court could not certify a class of the requested
    scope because the court lacked personal jurisdiction over the
    non-California residents. Id. at 874. There was no dispute
    the district court had personal jurisdiction over the named
    plaintiff, so the defendant never filed a motion to dismiss at
    the 12(b)(2) stage. Id. The district court certified the
    requested class and ruled that the defendant waived its
    personal jurisdiction argument by not raising it in its Rule
    12(b)(2) motion. Id. We reversed. In doing so, Moser
    explained that consideration of the waiver and personal
    jurisdiction issues was permissible on interlocutory appeal
    in that case because “we [we]re not being asked to review
    anything ‘pendent’ to the class certification decision, but
    KATIE VAN V. LLR, INC.                        33
    simply the class certification decision itself.” Id. at 876.
    Indeed, on the merits, we concluded that the defendant could
    not have raised its personal jurisdiction objection concerning
    the non-resident putative class members until the plaintiff
    moved to certify a class that included them. Id. at 877–78.
    An issue is not “bound up” within a class certification
    order merely because a party re-raises a previously litigated
    issue in its class certification briefing and the district court
    addresses that issue “cursorily and by reference to its
    previous decision.” Here, although it is a close question, I
    conclude we have interlocutory jurisdiction to review the
    voluntary payment defense because the district court’s order
    was not entirely limited to reiterating its prior ruling when
    rejecting LuLaRoe’s ascertainable loss argument—even if
    that argument was, per the district court’s description,
    “largely a recast” of the voluntary payment defense.
    Nevertheless, as the majority opinion explains, the evidence
    LuLaRoe proffered in support of this defense was
    insufficient because it showed only that an unspecified
    number—“some”—individuals voluntarily paid LuLaRoe’s
    improperly assessed tax. 1
    B.
    I agree with my colleagues that remand is required.
    LuLaRoe submitted two exhibits with invoices reflecting
    discounts that retailers gave to purchasers. Invoices in the
    1
    The majority suggests it is questionable whether a purchaser’s
    voluntary payment of an improperly charged sales tax is a defense to a
    UTPCPA claim under Alaska law. The majority’s description is
    charitable. There is no indication that the voluntary payment doctrine
    has ever been applied in a case involving the Alaska UTPCPA, and as
    far as I can tell, no other state that has adopted this uniform code has
    recognized the voluntary payment doctrine as a defense.
    34                   KATIE VAN V. LLR, INC.
    first exhibit show transactions in which fashion retailers
    provided discounts to customers and expressly noted that the
    discounts were intended to offset LuLaRoe’s improperly
    assessed sales tax. Invoices in the second exhibit reflected
    transactions in which the retailers provided discounts that
    were equal, or roughly equal, to the amount of sales tax that
    had been improperly assessed, but the retailers did not
    expressly note on the invoices that the discounts were meant
    to offset the sales tax. The district court found that LuLaRoe
    retailers gave discounts “for a variety of reasons” and many
    of the discounts may not have been to “offset the sales tax .
    . . being billed, but they may have been for another reason
    entirely.” We defer to the district court’s factual findings
    unless they are clearly erroneous. See Sali v. Corona Reg’l
    Med. Ctr., 
    909 F.3d 996
    , 1002 (9th Cir. 2018).
    Because the district court did not cite or discuss
    LuLaRoe’s first exhibit, the record suggests that the court
    may have considered only the second exhibit, which
    contained two examples in which an Alaska customer was
    provided a discount to offset the improperly charged sales
    tax. The first exhibit appears to contain at least eighteen
    instances in which an Alaska customer was provided a
    discount for the express purpose of offsetting the improperly
    assessed sale tax. Assuming the district court overlooked
    this exhibit, I cannot say that the district court’s error was
    harmless, and I agree with my colleagues that remand is
    required so the district court may consider it.
    I do not agree with the majority’s suggestion that the trial
    court misunderstood the Rule 23 inquiry or that LuLaRoe’s
    evidence suggested up to 13,680 depositions and months of
    trial might be required. The evidence LuLaRoe submitted
    in opposition to class certification showed that roughly
    10,000 Alaska class members made 72,373 separate
    KATIE VAN V. LLR, INC.                 35
    purchase transactions with improper sales tax charges. But
    4,295 class members made only one purchase—meaning
    that 94 percent of the 72,373 transactions with improper
    sales tax charges involved purchasers who entered into
    multiple transactions. The fact that 13,680 transactions were
    discounted does not mean that a significant number of
    putative class members received discounts to offset
    improper sales tax charges. The district court concluded “the
    number of proposed class members for whom it can
    presently be determined received a discount to offset the
    sales tax being billed is de minimus,” but we cannot tell
    whether the court considered Exhibit E when it made this
    determination. That said, the district court has already found
    that discounts were given for many reasons, and consumers
    who received express discounts may nevertheless have
    other, non-discounted transactions that make them eligible
    members of the class. Contrary to the majority’s suggestion,
    the district court recognized that individualized
    determinations might be necessary.
    Because the district court may have overlooked Exhibit
    E, I concur in the remand and judgment.