Skaar v. McDonough ( 2022 )


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  • Case: 21-1757    Document: 84    Page: 1   Filed: 09/08/2022
    United States Court of Appeals
    for the Federal Circuit
    ______________________
    VICTOR B. SKAAR,
    Claimant-Cross-Appellant
    v.
    DENIS MCDONOUGH, SECRETARY OF
    VETERANS AFFAIRS,
    Respondent-Appellant
    ______________________
    2021-1757, 2021-1812
    ______________________
    Appeals from the United States Court of Appeals for
    Veterans Claims in No. 17-2574, Chief Judge Margaret C.
    Bartley, Judge Amanda L. Meredith, Judge Michael P. Al-
    len.
    ______________________
    Decided: September 8, 2022
    ______________________
    CAROLINE MARKOWITZ, Veterans Legal Services Clinic,
    Jerome N. Frank Legal Services Organization, Yale Law
    School, New Haven, CT, argued for claimant-cross-appel-
    lant. Also represented by MEGHAN BROOKS, MATTHEW
    HANDLEY, ADAM HENDERSON, JOSHUA HERMAN, MICHAEL
    JOEL WISHNIE. Also argued by ANTHONY PICCIRILLO, Simp-
    son Thacher & Bartlett LLP, New York, NY. Also repre-
    sented by LYNN K. NEUNER.
    SOSUN BAE, Commercial Litigation Branch, Civil
    Case: 21-1757    Document: 84    Page: 2   Filed: 09/08/2022
    2                                    SKAAR   v. MCDONOUGH
    Division, United States Department of Justice, Washing-
    ton, DC, argued for respondent-appellant. Also repre-
    sented by BRIAN M. BOYNTON, MARTIN F. HOCKEY, JR.,
    PATRICIA M. MCCARTHY; BRIAN D. GRIFFIN, JONATHAN
    KRISCH, Office of General Counsel, United States Depart-
    ment of Veterans Affairs, Washington, DC.
    JONATHAN D. SELBIN, Lieff, Cabraser, Heimann &
    Bernstein, LLP, New York, NY, for amici curiae Maureen
    S. Carroll, Zachary Clopton, Brooke D. Coleman, Robin Ef-
    fron, Maria Glover, Andrew Hammond, Deborah R. Hens-
    ler, Helen Hershkoff, Alexandra D. Lahav, Elizabeth G.
    Porter, Alexander Reinert, Judith Resnik, Michael D.
    Sant'Ambrogio, Joan E. Steinman, Adam S. Zimmerman.
    Also represented by YAMAN SALAHI, Edelson PC, San Fran-
    cisco, CA.
    DORIS JOHNSON HINES, Finnegan, Henderson,
    Farabow, Garrett & Dunner, LLP, Washington, DC, for
    amicus curiae National Veterans Legal Services Program.
    ______________________
    Before MOORE, Chief Judge, NEWMAN and HUGHES,
    Circuit Judges.
    HUGHES, Circuit Judge.
    United States Air Force veteran Victor B. Skaar was
    exposed to ionizing radiation while participating in a
    cleanup operation in Palomares, Spain. Thirty years later,
    he was diagnosed with leukopenia. He filed a claim with
    the Department of Veterans Affairs for service-connected
    benefits, and the Board of Veterans’ Appeals denied his
    claim. Mr. Skaar appealed the Board’s denial to the United
    States Court of Appeals for Veterans Claims. There, he
    challenged the soundness of the radiation dose estimates
    provided by the Air Force and relied upon by the Board in
    denying his claim. By motion for class certification,
    Mr. Skaar sought to make this challenge on behalf of all
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    SKAAR   v. MCDONOUGH                                        3
    similarly situated veterans who had participated in the
    Palomares cleanup operation. The Veterans Court certified
    a class, with Mr. Skaar serving as its representative, that
    includes veterans who had not received a Board decision
    and that excludes veterans whose claims had been denied
    but not timely appealed. See Skaar v. Wilkie, 
    32 Vet. App. 156
    , 201 (2019) (Class Certification). The Secretary of Vet-
    erans Affairs appeals, and Mr. Skaar cross-appeals, the
    Veterans Court’s class definition.
    On appeal, the Secretary asserts that the Veterans
    Court lacked authority to certify a class that includes vet-
    erans who had not received a Board decision—a statutory
    prerequisite for the court’s jurisdiction pursuant to
    
    38 U.S.C. § 7252
    (a)—because jurisdiction over Mr. Skaar’s
    individual claim did not create further jurisdiction over a
    class of similarly situated veterans whose individual
    claims were beyond the court’s jurisdiction. We agree. By
    certifying a class that includes veterans who had not re-
    ceived a Board decision, the Veterans Court exceeded its
    jurisdiction. We accordingly vacate the court’s class certifi-
    cation and remand for further proceedings.
    On cross-appeal, Mr. Skaar contends that the Veterans
    Court should have equitably tolled the appeal period for
    veterans whose claims had been denied but not timely ap-
    pealed and thus should have included such veterans as
    members of the certified class. We disagree. The Veterans
    Court rightly declined to equitably toll the appeal period
    for claimants who had not timely appealed their denied
    claims since none of the claimants had alleged, let alone
    established, the requisite due diligence in pursuing their
    rights. See Toomer v. McDonald, 
    783 F.3d 1229
    , 1237–38
    (Fed. Cir. 2015). Thus, should the Veterans Court choose to
    reconsider on remand whether class certification is appro-
    priate, the court shall confine the proposed class to include
    only Palomares veterans who had timely appealed, or were
    still able to timely appeal, Board decisions denying their
    radiation exposure claims.
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    4                                      SKAAR   v. MCDONOUGH
    I
    A
    In January 1966, a United States Air Force B-52
    bomber carrying four thermonuclear weapons collided mid-
    air with another aircraft. Two of the weapons crashed into
    the ground near Palomares, Spain, and released “radioac-
    tive plutonium dust over the area, contaminating soil and
    crops, and spreading radioactive debris for miles.” Class
    Certification, 32 Vet. App. at 168. “Mr. Skaar, along with
    nearly 1,400 other U.S. military personnel,” assisted in the
    cleanup. Id. They also provided urine and nasal swab sam-
    ples while on site “to assess possible radioactive exposure.”
    Id. A group of service members “determined to be among
    the most exposed,” including Mr. Skaar, were monitored
    for signs of radiogenic conditions for 18 to 24 months after
    the accident. Id.
    Monitoring efforts for Mr. Skaar continued until De-
    cember 1967, when the Air Force concluded that his health
    was not in “jeopardy from retention of radioactive materi-
    als as a result of participation in the [Palomares cleanup]
    operation.” Id. (alteration in original) (citation omitted).
    Three decades later, in 1998, Mr. Skaar was diagnosed
    with leukopenia, a blood disorder characterized by a de-
    crease in white blood cell count. His doctor opined that ex-
    posure to ionizing radiation “appear[s] to be the positive
    agent” that historically causes leukopenia, but “concluded
    [that] ‘we have been unable to prove this.’” Id. Mr. Skaar
    subsequently filed a claim for service-connected benefits,
    which the agency denied in February 2000.
    Mr. Skaar moved to reopen his claim in March 2011,
    and the regional office requested a radiation exposure opin-
    ion. The Air Force—the service branch responsible for
    providing the agency with exposure data and dose esti-
    mates    for   Palomares      veterans—estimated       “that
    Mr. Skaar’s maximum total effective dose during the Palo-
    mares cleanup was 4.2 rem with a bone marrow committed
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    SKAAR   v. MCDONOUGH                                       5
    dose of 1.18 rem, compared to annual dose limits of 5 and
    50 rem, respectively, for occupations typically involving ra-
    diation exposure.” Id. at 169. Relying on these estimates,
    the Under Secretary for Benefits found it unlikely that
    Mr. Skaar’s leukopenia was caused by radiation exposure
    while in military service and shared these findings in a
    dose estimate opinion provided to the regional office in
    May 2012. Shortly thereafter, the regional office denied
    Mr. Skaar’s claim, and he appealed the denial to the Board.
    “In October 2013, a private physician opined that
    Mr. Skaar’s leukopenia ‘is likely related to exposure to
    heavy radioactive material in [1966].’” Id. at 170 (altera-
    tion in original) (citation omitted). Two months later, while
    Mr. Skaar’s appeal was still pending before the Board, the
    Air Force discovered errors in its radiation dose methodol-
    ogy, which was underestimating doses for some individuals
    including Palomares veterans. Consequently, “the Air
    Force intended to ‘formally standardize [its] response
    methodology for radiation dose inquiries involving Palo-
    mares participants’ by establishing dose estimates based
    on each veteran’s specific duties.” Id. (alteration in origi-
    nal) (citation omitted).
    After reevaluating its dose estimate methodology, the
    Air Force provided the agency with revised dose estimates
    for Mr. Skaar, “assigning him a new maximum total effec-
    tive dose of 17.9 rem and a bone marrow committed dose of
    14.2 rem.” Id. The Board found that these revised dose es-
    timates amounted to new and material evidence warrant-
    ing another dose estimate opinion and remanded the claim.
    The regional office obtained and considered a new dose es-
    timate opinion from August 2016. Nonetheless, the re-
    gional office again found it unlikely that Mr. Skaar’s
    “leukopenia was caused by exposure to ionizing radiation
    during military service,” and denied his claim. Id.
    Mr. Skaar appealed to the Board.
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    6                                        SKAAR   v. MCDONOUGH
    “[I]n September 2016, a private physician opined that
    Mr. Skaar’s leukopenia was ‘a result of exposure to ionizing
    radiation/plutonium.’” Id. Even so, the Board denied
    Mr. Skaar’s claim. In the Board’s view, the August 2016
    dose estimate opinion was “‘highly probative’ because it
    ‘was based on a review of the entire record,’ while
    Mr. Skaar’s private medical opinions were not as probative
    because ‘none offered any rationale for their statements.’”
    Id. (citation omitted). Mr. Skaar appealed the Board’s de-
    cision denying his claim.
    B
    Before the Veterans Court, Mr. Skaar challenged the
    agency’s “omission of the Palomares cleanup from the
    . . . radiation-risk activities” listed in 
    38 C.F.R. § 3.309
    (d)(3)(ii), as well as the Board’s reliance on allegedly
    unsound dose estimates, in violation of 
    38 C.F.R. § 3.311
    (c),
    “when adjudicating Palomares veterans’ claims.” Class
    Certification, 32 Vet. App. at 171. Mr. Skaar moved to
    make these challenges on behalf of similarly situated vet-
    erans who were present during the Palomares cleanup. Id.
    at 170. The Veterans Court granted in part Mr. Skaar’s
    motion and certified a class to litigate the § 3.311 chal-
    lenge. 1 Id. at 201.
    Relying on its existing authority to certify class actions
    in the petition context under Monk v. Shulkin, 
    855 F.3d 1312
    , 1318–20 (Fed. Cir. 2017), the Veterans Court deter-
    mined that it “possess[es] the power to aggregate claims
    and certify class actions in the appeal context.” Class Cer-
    tification, 32 Vet. App. at 178. The court further acknowl-
    edged that class composition depends on whether it has
    1   The Veterans Court held that Mr. Skaar lacks
    standing to bring the § 3.309 challenge but has standing to
    pursue the § 3.311 challenge. Class Certification,
    32 Vet. App. at 172. He has not appealed this holding.
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    SKAAR   v. MCDONOUGH                                         7
    jurisdiction over each class member, that the court has
    “only one source of jurisdiction: 
    38 U.S.C. § 7252
    ,” and that
    “a final Board decision operates as the jurisdictional ‘trig-
    ger’ that gives [the Veterans Court] the authority to hear a
    particular appeal.” 
    Id. at 180
    . Breaking down the proposed
    class into five subgroups, the court then considered
    whether it has jurisdiction over the putative class compris-
    ing all veterans who were present at the 1966 Palomares
    cleanup that
    (1) had filed a radiation exposure claim with the
    agency, but had not timely appealed the regional
    office’s denial to the Board (past claimants);
    (2) had filed a radiation exposure claim with the
    agency and appealed the regional office’s denial to
    the Board, but had not timely appealed the Board’s
    denial to the Veterans Court (expired claimants);
    (3) had appealed, or were still able to timely ap-
    peal, the Board’s denial of a radiation exposure
    claim to the Veterans Court (present claimants);
    (4) had filed a radiation exposure claim that was
    still pending either before the regional office or the
    Board (present-future claimants); or
    (5) have developed a radiogenic condition but have
    not yet filed a radiation exposure claim with the
    agency (future-future claimants).
    
    Id.
     at 179–180. The court determined that it has jurisdic-
    tion over present claimants “because they possess final
    Board decisions and either their 120-day windows to ap-
    peal those decisions to [the Veterans] Court have not yet
    expired or these claimants have already appealed within
    the 120-day time period.” 
    Id.
     at 180 (citing 
    38 U.S.C. §§ 7252
    (a), 7266(a)).
    As for present-future and future-future claimants, the
    Veterans Court recognized that these claimants “pose a
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    8                                        SKAAR   v. MCDONOUGH
    unique jurisdictional issue” since none of them have re-
    ceived final Board decisions. 
    Id.
     Still, the court concluded
    that its “jurisdictional statute does not prohibit the[] inclu-
    sion” of such claimants as class members. 
    Id.
     Instead, the
    Veterans Court held that, “pursuant to [its] statutory au-
    thority under 
    38 U.S.C. §§ 7252
     and 7261,” it has “the au-
    thority to certify class actions that include veterans who
    have not yet received a final Board decision and those who
    have not yet filed a claim.” 
    Id.
     (citing Monk, 855 F.3d at
    1318). In the court’s view, “Mr. Skaar, as class representa-
    tive, ha[d] obtained a final Board decision pursuant to
    [§] 7252,” and his “satisfaction of [this] jurisdictional re-
    quirement” vested the court with jurisdiction over other
    class members, “much in the same way a named plaintiff’s
    consent to proceed before a magistrate is sufficient to grant
    the magistrate jurisdiction to enter final judgment as to all
    class members.” Id. at 181–82. Moreover, the court ex-
    plained, Mr. Skaar’s Board decision had opened a “jurisdic-
    tional door” that allowed the Veterans Court to “use [its]
    other authorities, as explained in Monk [], to aggregate
    Mr. Skaar’s claims with those of the remaining class mem-
    bers.” Id. at 181.
    Then, turning to Bowen v. City of New York, 
    476 U.S. 467
     (1986) for support, the Veterans Court held that it has
    “jurisdiction to certify a class action that includes members
    who do not have a final Board decision” so long as “(i) the
    challenged conduct is collateral to the class representa-
    tive’s administratively exhausted claim for benefits—i.e.,
    the class representative has obtained a final Board deci-
    sion; (ii) enforcing the exhaustion requirement would ir-
    reparably harm the class; and (iii) the purposes of
    exhaustion would not be served by its enforcement.” 
    Id.
     at
    184–85. The court applied this standard here, and deter-
    mined that it had jurisdiction over present-future and fu-
    ture-future claimants “and [need] not require exhaustion
    of administrative remedies by each and every class mem-
    ber.” Id. at 185. The Veterans Court accordingly included
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    SKAAR   v. MCDONOUGH                                        9
    present-future and future-future claimants, along with
    present claimants, in the class. Id. at 186.
    Next considering past and expired claimants, the court
    declined to equitably toll the appeal period for claimants
    who failed to timely appeal their denied claims and ex-
    cluded both subgroups from the proposed class on that ba-
    sis. Id. at 189. These claimants, the court observed, “could
    have challenged [the agency’s] treatment of Palomares vet-
    erans just like Mr. Skaar, yet each chose not to.” Id. at 187.
    And, the court noted, Mr. Skaar did not present any reason
    “to depart from Bove’s principle that the 120-day Notice of
    Appeal window to [the Veterans Court] will only be waived
    ‘when circumstances precluded a timely filing despite the
    exercise of due diligence.’” Id. (quoting Bove v. Shinseki,
    
    25 Vet. App. 136
    , 140 (2011) (per curiam), overruled on
    other grounds by Dixon v. McDonald, 
    815 F.3d 799
    (Fed. Cir. 2016)). Thus, the court confined the class to pre-
    sent, present-future, and future-future claimants.
    The Veterans Court then invoked Federal Rule of Civil
    Procedure 23 “as a guide for class certification in the ap-
    peal context,” and considered whether the class met the
    requisites for class certification pursuant to Rule 23. 
    Id. at 189
    . Finding that it did, the court certified the class, ex-
    cluding past and expired claimants. 
    Id. at 201
    . It defined
    the class as follows:
    [a]ll U.S. veterans who were present at the
    1966 cleanup of plutonium dust at Palomares,
    Spain, and whose application for service-connected
    disability compensation based on exposure to ion-
    izing radiation [the agency] has denied or will deny
    by relying, at least in part, on the findings of dose
    estimates requested under 
    38 C.F.R. § 3.311
    , ex-
    cept those whose claims have been denied and rel-
    evant appeal windows of those denials have
    expired . . . .
    
    Id. at 189
    .
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    10                                       SKAAR   v. MCDONOUGH
    A year after certifying the class, the Veterans Court is-
    sued a decision on the merits of Mr. Skaar’s § 3.311 chal-
    lenge on behalf of the certified class. Skaar v. Wilkie,
    
    33 Vet. App. 127
     (2020) (Merits Decision). The court held
    that the Board had “provided an inadequate statement of
    reasons or bases for concluding that the Air Force’s dose
    estimate constituted sound scientific evidence.” Id. at 141.
    And as a result, the court set aside the April 2017 Board
    decision denying service connection for leukopenia and re-
    manded the matter for the Board to readjudicate
    Mr. Skaar’s § 3.311 challenge, further stating that “[t]his
    portion of [its] decision applies to the class certified in this
    matter.” Id. at 143–44, 149. Following its merits decision,
    the Veterans Court entered judgment on January 12, 2021
    and denied Mr. Skaar’s motion for immediate issuance of
    mandate. Judgment at 1, Skaar v. Wilkie, 
    33 Vet. App. 127
    (2020) (No. 17-2574); Judge’s Stamp Order, for the Panel,
    Denying Appellant’s Opposed Motion for Immediate Issu-
    ance of Mandate at 1, Skaar v. Wilkie, 
    33 Vet. App. 127
    (2020) (No. 17-2574).
    The Secretary appeals and Mr. Skaar cross-appeals,
    both challenging the Veterans Court’s class definition.
    II
    A
    Our jurisdiction to review decisions of the Veterans
    Court is governed by 
    38 U.S.C. § 7292
    . Unlike other statu-
    tory provisions that govern our jurisdiction, § 7292 does not
    expressly premise appellate review on the finality of the
    Veterans Court’s decision. Compare 
    28 U.S.C. § 1295
    (a)(1)
    (conferring jurisdiction over “an appeal from a final deci-
    sion of a district court”), with 
    38 U.S.C. § 7292
    (a) (“After a
    decision of the [Veterans Court] is entered in a case, any
    party to the case may obtain a review of the decision . . . .”).
    Nevertheless, we have “generally declined to review non-
    final orders of the Veterans Court.” Williams v. Principi,
    
    275 F.3d 1361
    , 1363 (Fed. Cir. 2002) (citation omitted). So
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    SKAAR   v. MCDONOUGH                                          11
    “remand orders from the Veterans Court ordinarily are not
    appealable because they are not final.” Adams v. Principi,
    
    256 F.3d 1318
    , 1320 (Fed. Cir. 2001). We will, however, de-
    part from this strict rule of finality when the Veterans
    Court remands a matter for further proceedings if the fol-
    lowing conditions are satisfied:
    (1) there must have been a clear and final decision
    of a legal issue that (a) is separate from the remand
    proceedings, (b) will directly govern the remand
    proceedings[,] or, (c) if reversed by this court, would
    render the remand proceedings unnecessary;
    (2) the resolution of the legal issues must adversely
    affect the party seeking review; and
    (3) there must be a substantial risk that the deci-
    sion would not survive a remand, i.e., that the re-
    mand proceeding may moot the issue.
    Williams, 
    275 F.3d at 1364
     (footnotes omitted). The class
    certification satisfies these criteria.
    First, the Veterans Court issued a clear and final deci-
    sion regarding its jurisdiction to certify a class that in-
    cludes veterans who had not received a Board decision. See
    Travelstead v. Derwinski, 
    978 F.2d 1244
    , 1247–49
    (Fed. Cir. 1992) (holding that when “the court rendered a
    ‘decision’ interpreting a statute . . . and compelling action
    of the Secretary, on remand, . . . [t]his ‘decision’ was a final
    disposition of the proceeding,” and was appealable). That
    decision addressed a legal issue involving the Veterans
    Court’s jurisdictional statute that is separate from the re-
    mand proceeding involving 
    38 C.F.R. § 3.311
    (c) and dose
    estimates. Compare Class Certification, 32 Vet. App. at
    166 (“We do not today address the merits of Mr. Skaar’s
    claim.”), with Merits Decision, 33 Vet. App. at 132 (“Today
    we address the merits of Mr. Skaar’s appeal . . . . Begin-
    ning with the class claim concerning radiation dose esti-
    mates, we hold that the Board failed to meet its obligation
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    12                                       SKAAR   v. MCDONOUGH
    under 
    38 C.F.R. § 3.311
    (c) to ensure that dose estimates
    [the agency] received from the Air Force constitute ‘sound
    scientific evidence.’ We will remand this issue to the
    Board . . . .”).
    Second, the Veterans Court’s resolution of the jurisdic-
    tional issue will adversely affect the Secretary by requiring
    the Secretary to expend time and resources addressing in-
    dividuals beyond the Secretary’s statutorily-permitted
    reach, i.e., veterans who have not filed claims for benefits. 2
    2   The Veterans Court’s resolution of the jurisdic-
    tional issue not only affects the Secretary but also affects
    Mr. Skaar and similarly situated Palomares veterans who
    might benefit from a precedential opinion regarding the
    § 3.311 challenge. See Merits Decision, 33 Vet. App. at 151
    (Meredith, J., concurring in part and dissenting in part) (“I
    am compelled to comment that the result here demon-
    strates that the en banc Court’s resurrection of the limited
    remand mechanism, for the purpose of deciding
    [Mr. Skaar’s] motion for class certification, turned out not
    to be an effective tool. More than 3 years after [Mr. Skaar]
    appealed the April 2017 Board decision, the panel is left
    with no choice but to conclude that the Board provided an
    inadequate statement of reasons or bases for its decision
    and to remand the matter for readjudication—the same re-
    lief that the en banc Court could have, and in my view,
    should have initially provided. Instead, the parties and the
    en banc Court expended considerable time and resources
    debating the efficacy of conducting class actions in the ap-
    pellate context and the bounds of the Court’s jurisdiction,
    without bringing [Mr. Skaar] any closer to receiving a de-
    cision that adequately addresses the merits of whether the
    dose estimates relied on by [the agency] are based on a
    methodology that complies with 
    38 C.F.R. § 3.311
    (c).” (ci-
    tations omitted)); see also Class Certification, 32 Vet. App.
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    SKAAR   v. MCDONOUGH                                        13
    See 
    38 U.S.C. § 5101
    (a)(1)(A); Travelstead, 
    978 F.2d at 1248
    .
    Third, there is a substantial risk that the remand pro-
    ceeding may deprive the Secretary of an opportunity to
    later contest the Veterans Court’s jurisdiction over the cer-
    tified class since the Secretary is statutorily precluded from
    appealing to the Veterans Court any Board decision, in-
    cluding a grant of the class claim. See 
    38 U.S.C. § 7252
    (a);
    see also Merits Decision, 33 Vet. App. at 154 (Meredith, J.,
    concurring in part and dissenting in part) (“[T]he Board’s
    inadequate statement of reasons or bases frustrates judi-
    cial review, precluding [the Veterans Court’s] ability to pro-
    vide the requested class-wide relief and compelling [the
    court] to remand the matter for full readjudication without
    retaining jurisdiction. And, [the court] ha[s] no reason to
    assume that further adjudication of the [veteran’s] claim
    will lead to a final Board decision adverse to the [veteran]
    or subsequent appellate review of the class issue for which
    he is the representative.”). Thus, we may exercise jurisdic-
    tion over the court’s class certification decision. See Dam-
    bach v. Gober, 
    223 F.3d 1376
    , 1379 (Fed. Cir. 2000) (“We do
    have jurisdiction . . . when there is a statutory
    at 209 (Falvey, J., dissenting) (“We believe that the major-
    ity has created a class that exceeds our jurisdiction and of-
    fers a comparable outcome to members of that class that a
    precedential decision could provide without the managea-
    bility and preclusion problems inherent in class litiga-
    tion.”); id. at 221 (“If we had an adequate record, a panel
    might have, months ago, found that the dose methodology
    [the agency] used in Mr. Skaar’s case was flawed and coun-
    ter to 
    38 C.F.R. § 3.311
    . Its decision, a nationwide prece-
    dent, would have fixed any such systemic dose estimate
    problem and [the agency] would have been required to ap-
    ply the Court’s holding consistently to all veterans’ cases.”).
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    14                                        SKAAR   v. MCDONOUGH
    interpretation that will affect the remand proceeding and
    that legal issue might evade our future review.”).
    B
    By statute, we may “review and decide any challenge
    to the validity of any statute or regulation or any interpre-
    tation thereof . . . and . . . interpret constitutional and stat-
    utory decisions, to the extent presented and necessary to a
    decision.” 
    38 U.S.C. § 7292
    (c). But our jurisdiction does not
    extend to challenges either to factual determinations or to
    the application of the law to the facts of a particular case,
    absent a constitutional issue. 
    Id.
     § 7292(d)(2). Whether the
    Veterans Court had jurisdiction is a matter of statutory in-
    terpretation, see id. § 7252(a) (defining the Veterans
    Court’s jurisdiction), which we review de novo, In re Wick,
    
    40 F.3d 367
    , 370 (Fed. Cir. 1994). Likewise, whether the
    Veterans Court applied the correct legal standard for equi-
    table tolling is a question of law we review de novo. James
    v. Wilkie, 
    917 F.3d 1368
    , 1372 (Fed. Cir. 2019).
    III
    The Veterans Court certified a class that includes pre-
    sent, present-future, and future-future claimants but ex-
    cludes past and expired claimants. The primary question
    before us, on appeal and cross-appeal, is which subgroups
    of claimants should the Veterans Court have included in,
    or excluded from, the certified class. The Secretary would
    have us confine the class to only present claimants, while
    Mr. Skaar would define the class broadly to include past,
    expired, present, present-future, and future-future claim-
    ants. We agree with the Secretary. The certified class
    should have included only present claimants because the
    Veterans Court did not have jurisdiction over past, pre-
    sent-future, or future-future claimants, and because the
    expired claimants cannot benefit from equitable tolling to
    revive claims that they could have timely appealed follow-
    ing the Board’s denial.
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    SKAAR   v. MCDONOUGH                                       15
    A
    The Veterans Court exceeded its jurisdiction when it
    certified a class to include veterans who had not received a
    Board decision and veterans who had not yet filed a claim.
    While the Veterans Court correctly acknowledged that “a
    final Board decision operates as the jurisdictional ‘trigger’
    that gives [it] the authority to hear a particular appeal,”
    the court held “that because Mr. Skaar, as class repre-
    sentative, ha[d] obtained a final Board decision pursuant
    to [§] 7252, the jurisdictional door ha[d] been opened, and
    [the Veterans Court] may use [its] other authorities, as ex-
    plained in Monk [], to aggregate Mr. Skaar’s claims with
    those of the remaining class members.” Class Certification,
    32 Vet. App. at 181. This was error. See Weinberger v. Salfi,
    
    422 U.S. 749
    , 753 (1975) (“[W]hile [the court] had jurisdic-
    tion of the claims of the named appellees under the provi-
    sions of 
    42 U.S.C. § 405
    (g), it had no jurisdiction over the
    claims asserted on behalf of unnamed class members.”).
    The Veterans Court cannot predicate its jurisdiction
    over the claims of unnamed class members on its jurisdic-
    tion over Mr. Skaar’s claim or its power to aggregate claims
    and certify class actions. See Burris v. Wilkie, 
    888 F.3d 1352
    , 1361 (Fed. Cir. 2018) (“[T]he Veterans Court cannot
    invoke equity to expand the scope of its statutory jurisdic-
    tion. Indeed, a court cannot write its own jurisdictional
    ticket.” (cleaned up)). Class certification is merely a proce-
    dural tool that allows the court to aggregate claims, see
    Wick, 
    40 F.3d at 1370
     (explaining that neither the Veterans
    Court’s scope of review nor its rules of practice and proce-
    dure “provide an independent basis for jurisdiction”); it
    does not itself confer on the court jurisdiction to review in-
    dividual claims it would otherwise lack, Chula Vista City
    School District v. Bennett, 
    824 F.2d 1573
    , 1579 (Fed. Cir.
    1987) (“The claim of each member of the class must be ex-
    amined separately to determine whether it meets the juris-
    dictional requirement.”). Nor does our decision in Monk, in
    which we held only that the “Veterans Court has the
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    16                                       SKAAR   v. MCDONOUGH
    authority to establish a class action mechanism or other
    method of aggregating claims.” 855 F.3d at 1322; id.
    at 1321–22 (declining to decide or address the circum-
    stances in which a class certification would be appropriate).
    Monk does not provide a cognizable basis for circumnavi-
    gating the limits of the Veterans Court’s statutory jurisdic-
    tion. Cf. Mahaffey v. Sec’y of Health & Hum. Servs.,
    
    368 F.3d 1378
    , 1381 (Fed. Cir. 2004) (explaining that nei-
    ther the Court of Federal Claims’ scope of review nor its
    rules of practice and procedure confer authority on a court
    “to enlarge its jurisdiction” (citation omitted)). And the Vet-
    erans Court cannot invoke its authority to certify a class
    action in the appeal context unless the court has “jurisdic-
    tion over the claim of each individual member of the class.”
    Califano v. Yamasaki, 
    442 U.S. 682
    , 701 (1979) (“[C]lass
    relief is consistent with the need for case-by-case adjudica-
    tion emphasized by the Secretary, at least so long as the
    membership of the class is limited to those who meet the re-
    quirements of [the judicial review statute]. Where the dis-
    trict court has jurisdiction over the claim of each individual
    member of the class, Rule 23 provides a procedure by which
    the court may exercise that jurisdiction over the various
    individual claims in a single proceeding.” (emphasis added)
    (citation omitted)).
    Here, the Veterans Court has “only one source of juris-
    diction: 
    38 U.S.C. § 7252
    (a).” Class Certification,
    32 Vet. App. at 180 (citing Henderson v. Shinseki, 
    562 U.S. 428
    , 434 (2011)); see Burris, 888 F.3d at 1357 (“The Veter-
    ans Court, as an Article I tribunal, is a creature of statute
    by definition. As such, the court can only act through an
    express grant of authority from Congress.” (citations omit-
    ted)). This jurisdictional statute empowers the Veterans
    Court to review decisions of the Board and confers upon the
    court “the power to affirm, modify, or reverse a decision of
    the Board or to remand the matter, as appropriate.”
    
    38 U.S.C. § 7252
    (a) (emphasis added). Thus, the Veterans
    Court’s jurisdiction is “premised on and defined by the
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    SKAAR   v. MCDONOUGH                                       17
    Board’s decision concerning the matter being appealed,”
    Ledford v. West, 
    136 F.3d 776
    , 779 (Fed. Cir. 1998), where
    “‘decision’ of the Board, for purposes of the Veterans
    Court’s jurisdiction under [§] 7252, is the decision with re-
    spect to the benefit sought by the veteran,” Maggitt v. West,
    
    202 F.3d 1370
    , 1376 (Fed. Cir. 2000) (emphasis added).
    This means that “a veteran must first present a request for
    a benefit to the Board, then receive a decision on that re-
    quest, in order to vest jurisdiction in the Veterans Court to
    consider the veteran’s request and arguments in support
    thereof.” 
    Id.
     By definition, therefore, a class must be lim-
    ited to veterans who satisfy the jurisdictional requirements
    of having requested a benefit and of having received a
    Board decision on that request. 3 See, e.g., Matthews v. El-
    dridge, 
    424 U.S. 319
    , 328 (1976) (“The nonwaivable ele-
    ment is the requirement that a claim for benefits shall have
    been presented to the Secretary. Absent such a claim there
    can be no ‘decision’ of any type. And some decision by the
    Secretary is clearly required by the statute.”); Salfi,
    
    422 U.S. at 750, 764
     (“The [d]istrict [c]ourt had no
    3    We emphasize that the requirements of having re-
    quested a benefit and of having received a Board decision
    on that request are “purely ‘jurisdictional’ in the sense that
    [they] cannot be ‘waived.’” Matthews v. Eldridge, 
    424 U.S. 319
    , 328 (1976). Both the statutory language and the pro-
    vision’s “placement within the [Veterans’ Judicial Review
    Act]” make clear “that Congress wanted that provision to
    be treated as having jurisdictional attributes,” since § 7252
    “governs [the Veterans Court’s] adjudicatory capacity.”
    Henderson, 
    562 U.S. at
    434–35, 439–40 (comparing § 7252
    with § 7266 and holding that § 7266 is not jurisdictional).
    Thus, in relying on Bowen as a basis for jurisdiction over
    present-future and future-future claimants, see Class Cer-
    tification, 32 Vet. App. at 184, the Veterans Court errone-
    ously conflated jurisdiction and exhaustion, see Matthews,
    
    424 U.S. at 328
    .
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    18                                       SKAAR   v. MCDONOUGH
    jurisdiction over the unnamed members of the class under
    42 U.S.C. [§] 405(g), . . . since the complaint as to such class
    members is deficient in that it contains no allegations that
    they have even filed an application for benefits with the
    Secretary, much less that he has rendered any decision, fi-
    nal or otherwise, review of which is sought.”).
    Thus, the Veterans Court exceeds its jurisdiction when
    it certifies a class to include, as it did here, veterans who
    have not yet filed a claim—over whom even the Board
    would not have jurisdiction, see 
    38 U.S.C. §§ 7104
    (a) (juris-
    diction of the Board to review the Secretary’s final deci-
    sions), 511 (decisions of the Secretary)—and veterans who
    have not received a Board decision, see 
    id.
     § 7252(a). That
    is, the Veterans Court lacked jurisdiction over past, pre-
    sent-future, and future-future claimants, since none of
    these claimants had received a Board decision. Cf. Wick,
    
    40 F.3d at 370
     (“Since it is clear that the action of the Sec-
    retary in denying payment to Wick was not a decision of
    the Board, it would seem equally clear that the court lacks
    jurisdiction over Wick’s petition from that denial.”).
    Mr. Skaar argues that the Veterans Court can exercise
    jurisdiction over class members who have not received
    Board decisions because district courts routinely certify
    classes including future claimants. Cross-Appellant’s
    Br. 26–30 (collecting cases). While district courts may in-
    deed exercise jurisdiction over future claimants, that is be-
    cause Congress explicitly conferred the district courts with
    supplemental jurisdiction encompassing such claims. See
    
    28 U.S.C. § 1367
    (a) (“[I]n any civil action of which the dis-
    trict courts have original jurisdiction, the district courts
    shall have supplemental jurisdiction over all other claims
    that are so related to claims in the action within such orig-
    inal jurisdiction that they form part of the same case or
    controversy . . . . Such supplemental jurisdiction shall in-
    clude claims that involve the joinder or intervention of ad-
    ditional parties.”); Exxon Mobil Corp. v. Allapattah Servs.,
    Inc., 
    545 U.S. 546
    , 560 (2005) (explaining that Ҥ 1367
    Case: 21-1757    Document: 84      Page: 19    Filed: 09/08/2022
    SKAAR   v. MCDONOUGH                                       19
    confers supplemental jurisdiction over claims by . . . Rule
    23 plaintiffs,” i.e., members of a class action, over which it
    may lack original jurisdiction as long as it has original ju-
    risdiction over at least one class member’s claim). Criti-
    cally, Congress has not enacted any comparable
    jurisdictional statute for the Veterans Court. While district
    courts may exercise supplemental jurisdiction over future
    claimants by virtue of their explicit statutory authority, the
    Veterans Court lacks such jurisdictional authority. Each
    court is limited to the jurisdiction bestowed upon it by Con-
    gress. Thus, the cases Mr. Skaar cites about the scope of
    district court jurisdiction are inapplicable where, as here,
    the Veterans Court has its own jurisdictional statute.
    We accordingly vacate the Veterans Court’s class certi-
    fication. Should the court choose to reconsider on remand
    whether class certification is appropriate, the court shall
    exclude past, present-future, and future-future claimants,
    since no such claimants have received a Board decision.
    B
    On cross-appeal, Mr. Skaar contends that the Veterans
    Court should have included past and expired claimants as
    members of the certified class. He challenges the Veterans
    Court’s decision declining to equitably toll the statutory pe-
    riod to appeal for these claimants. According to Mr. Skaar,
    the court misconstrued the legal standard for equitable
    tolling—set out in Bowen—“as creating a categorical rule
    that challenged policies must be ‘secretive’ to grant equita-
    ble tolling and waiver of exhaustion,” and then improperly
    applied this rule to the “more claimant-friendly [Veterans’
    Judicial Review Act].” Cross-Appellant’s Br. 46–47. We dis-
    agree. 4
    4    Although we vacate the class certification for lack
    of jurisdiction, our decision does not bar the Veterans Court
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    20                                       SKAAR   v. MCDONOUGH
    To benefit from equitable tolling, a claimant must
    demonstrate “(1) extraordinary circumstance; (2) due dili-
    gence; and (3) causation.” Toomer, 783 F.3d at 1238; see
    also Holland v. Florida, 
    560 U.S. 631
    , 649 (2010) (requiring
    a petitioner to show “(1) that he has been pursuing his
    rights diligently, and (2) that some extraordinary circum-
    stance stood in his way and prevented timely filing”
    (cleaned up)). We have made clear that “due diligence must
    be shown in addition to an extraordinary circumstance.”
    Toomer, 793 F.3d at 1238 (cleaned up). We have also
    acknowledged, as Mr. Skaar points out, “the need for flexi-
    bility,” “for avoiding mechanical rules,” and for “pro-
    ceed[ing] on a ‘case-by-case basis.’” Id. at 1239; Cross-
    Appellant’s Br. 49.
    Contrary to Mr. Skaar’s contentions, the Veterans
    Court suggested neither that Bowen established a categor-
    ical rule restricting equitable tolling to challenges involv-
    ing “secretive” policies nor that Bowen dictated the court’s
    decision. Indeed, it was Mr. Skaar who had requested that
    the Veterans Court “equate [the agency’s] adjudication of
    Palomares veterans’ claims with the secretive conduct the
    Supreme Court found so reprehensible in [Bowen]” and
    from considering again on remand whether class certifica-
    tion is appropriate, provided that the court has jurisdiction
    over each individual member of the proposed class. The
    court could, for example, consider whether certifying a
    class of present claimants is proper. It follows then that our
    decision to vacate the class certification does not moot
    Mr. Skaar’s cross-appeal challenging the class definition.
    Thus, we still must consider whether expired claimants—
    the only other subgroup of claimants, besides present
    claimants, that satisfies the jurisdictional requirements
    under 
    38 U.S.C. § 7252
    —were improperly excluded from
    the certified class, i.e., whether the court should have tolled
    the appeal period for expired claimants.
    Case: 21-1757    Document: 84      Page: 21    Filed: 09/08/2022
    SKAAR   v. MCDONOUGH                                       21
    permit equitable tolling for past and expired claimants on
    this basis. Class Certification, 32 Vet. App. at 187. And the
    Veterans Court unambiguously denied this request. The
    court instead identified several examples of the extraordi-
    nary circumstances for which waiver may be warranted,
    clarified that these examples do not present “an exhaustive
    list because there are no bright line rules in the equitable
    tolling context,” and reiterated that “the extraordinary cir-
    cumstances element [of equitable tolling] necessarily re-
    quires a case-by-case analysis and not a categorical
    determination.” Id. (alteration in original) (quoting James
    v. White, 
    917 F.3d 1368
    , 1373 (Fed. Cir. 2019)).
    Moreover, the Veterans Court observed that Mr. Skaar
    had never alleged that past and expired claimants “were
    precluded from timely filing appeals . . . for any reason
    other than [the agency’s] historical practice in adjudicating
    claims from Palomares veterans.” Class Certification,
    32 Vet. App. at 187–89. And, as the court correctly rea-
    soned, it’s hardly surprising that the agency “will always
    (presumably) adjudicate claims in accord with its own in-
    terpretation of that law and [the Veterans Court’s] legal
    pronouncements” “before a claimant succeeds in changing
    the law.” Id. at 187. So “there is no principled way to dis-
    tinguish” these claimants from “any other claimants who
    have been denied benefits, failed to appeal to [the Veter-
    ans] Court, and later discovered their benefits denial was
    based on an incorrect reading of the law.” Id. at 187–88.
    Thus, the Veterans Court’s analysis does not evince any le-
    gal error or misinterpretation of the law surrounding equi-
    table tolling. We conclude that the court did not err in
    declining to equitably toll the appeal period for past and
    expired claimants and thus rightly excluded such claim-
    ants from the class.
    IV
    The Veterans Court’s jurisdictional statute limits its
    authority to certify a class action in the appeal context, and
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    22                                     SKAAR   v. MCDONOUGH
    the court must have jurisdiction over the claims of every
    member of a class the court certifies. By certifying a class
    that includes veterans who had not received a Board deci-
    sion and veterans who had not yet filed a claim, the Veter-
    ans Court exceeded its jurisdiction. We vacate the court’s
    class certification and remand for further proceedings con-
    sistent with this opinion. Because we vacate the class cer-
    tification, we also limit the application of the merits
    decision to Mr. Skaar’s claim.
    VACATED AND REMANDED
    COSTS
    No costs.