De Asencio v. Tyson Foods, Inc. , 342 F.3d 301 ( 2003 )


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  •                                                                                                                            Opinions of the United
    2003 Decisions                                                                                                             States Court of Appeals
    for the Third Circuit
    9-8-2003
    DeAsencio v. Tyson Foods Inc
    Precedential or Non-Precedential: Precedential
    Docket No. 02-3719
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    PRECEDENTIAL
    Filed September 8, 2003
    UNITED STATES COURT OF APPEALS
    FOR THE THIRD CIRCUIT
    No. 02-3719
    MELANIA FELIX DE ASENCIO;
    MANUEL A. GUTIERREZ; ASELA RUIZ;
    EUSEBIA RUIZ; LUIS A. VIGO; LUZ CORDOVA;
    HECTOR PANTAJOS, ON BEHALF OF THEMSELVES
    AND ALL OTHER SIMILARLY SITUATED INDIVIDUALS
    v.
    TYSON FOODS, INC.,
    Appellant
    On Appeal from the United States District Court
    for the Eastern District of Pennsylvania
    D.C. Civil Action No. 00-cv-04294
    (Honorable Robert F. Kelly)
    Argued April 24, 2003
    Before: SCIRICA, Chief Judge,* AMBRO and
    GARTH, Circuit Judges
    (Filed September 8, 2003)
    * Judge Scirica began his term as Chief Judge on May 4, 2003.
    2
    MICHAEL J. MUELLER, ESQUIRE
    (ARGUED)
    Akin, Gump, Strauss, Hauer & Feld
    1333 New Hampshire Avenue, N.W.
    Suite 400
    Washington, D.C. 20036
    Attorney for Appellant
    FREDERICK P. SANTARELLI,
    ESQUIRE (ARGUED)
    THOMAS J. ELLIOTT, ESQUIRE
    ERIC L. YOUNG, ESQUIRE
    Elliott, Reihner, Siedzikowski
    & Egan
    925 Harvest Drive, Suite 300
    Blue Bell, Pennsylvania 19422
    Attorneys for Appellees
    OPINION OF THE COURT
    SCIRICA, Chief Judge.
    In a labor dispute over unpaid wages, plaintiffs gained
    certification of an opt-in class under the Fair Labor
    Standards Act and then sought certification of a Fed. R.
    Civ. P. 23(b)(3) opt-out class under the Pennsylvania Wage
    Payment & Collection Law. The District Court granted the
    Rule 23 certification. At issue is whether the District Court
    should have exercised supplemental jurisdiction over the
    state-law class under 
    28 U.S.C. § 1367
    .
    I.
    A.
    Plaintiffs are hourly employees at defendant Tyson Foods’
    two    chicken-processing    plants    in   New    Holland,
    Pennsylvania (Lancaster County). Plant One employees
    work on the production line slaughtering birds and
    producing meat for direct sale or further processing. Those
    3
    at Plant Two process the chicken meat, producing
    prepared, packed chicken products, like chicken nuggets,
    chicken tenders, chicken patties, and Buffalo wings.
    Animal flesh, blood, and fecal matter are present
    throughout both plants. To protect against disease and
    safety hazards, Tyson employees are required to perform
    “donning, doffing, and sanitizing” activities. This entails
    putting on protective clothing—like hairnets, earplugs,
    safety goggles, cotton smocks, gloves, and plastic aprons—
    before the start of their shift, and rinsing their clothing and
    washing their hands at the end of their shift. Employees
    receive two unpaid 30-minute meal periods per shift, and
    must don, doff, and sanitize at the beginning and end of
    these breaks.1
    Tyson ordinarily does not pay its employees for time
    spent donning and doffing.2 The plaintiff employees are not
    organized nor do they work under a written contract. There
    is no collective bargaining.
    B.
    In August 2000, plaintiffs filed suit against Tyson under
    both federal law (the Fair Labor Standards Act, 
    29 U.S.C. §§ 201-219
    ) and state law (the Pennsylvania Wage Payment
    & Collection Law, 43 P.S. §§ 260.1-260.45) on behalf of
    themselves and similarly situated co-workers at Tyson’s
    chicken processing complex.
    On October 4, plaintiffs sought collective treatment of
    their FLSA action under the federal statute’s opt-in
    provisions. 
    29 U.S.C. § 216
    (b) (“[N]o employee shall be a
    party plaintiff to any such action unless he gives his
    consent in writing to become such a party and such
    consent is filed in the court in which such action is
    1. Tyson cites significant differences among its hourly employees,
    contending they wear different clothing, resulting in time variations for
    donning and doffing. The parties agree there are at least four categories
    under which Tyson calculates employee working times, depending on the
    type of work and where they work on the production line.
    2. Tyson pays for donning and doffing in two limited instances, which are
    not relevant here.
    4
    brought.”). Plaintiffs did not seek class certification on the
    state-law WPCL action at that time.
    On January 31, 2001, the District Court granted
    plaintiffs’ request to issue notice to prospective class
    members under the FLSA action. The court’s notice stated,
    in part, “The Court has not yet determined that the claims
    under the Pennsylvania WPCL can be pursued as a class
    action, and thus your right to participate in that claim will
    depend on a later decision by the Court.”
    On March 15, Tyson mailed out the notice to 3,400
    prospective FLSA class members. On June 21, Tyson filed
    a motion to close the class period. At that time, 502 current
    and former employees—or 15 percent of the allegedly
    eligible class—had elected to join the FLSA action by filing
    written consent forms. Plaintiffs contested the motion to
    close, claiming that a substantial number of prospective
    plaintiffs never received notice and that Tyson improperly
    discouraged its current and former employees from
    participating in the action. The record showed that 783
    putative FLSA class members never received notice of the
    opt-in action because Tyson mailed the notice to the wrong
    address.3
    On July 24, the District Court closed the class period
    and denied plaintiffs’ motion to reissue notice. The class
    consisted of 504 current and former employees. The
    District Court later dismissed, on summary judgment, the
    claims of 57 of those employees as barred by the statute of
    limitations. All parties acknowledge that the current size of
    the FLSA class is 447 persons.
    On December 31, the District Court closed discovery.
    Nearly two months later, on February 22, 2002, plaintiffs
    filed a motion to certify the supplemental state-law WPCL
    action under Fed. R. Civ. P. 23. Plaintiffs’ motion for class
    treatment under the supplemental state-law action was
    filed 17 months after their motion to certify the federal
    FLSA action. The District Court heard arguments on
    3. Additional putative FLSA class members allegedly never received
    notice of the opt-in class because they had not been employed by Tyson
    at the time the notice was sent.
    5
    whether plaintiffs could bring a WPCL action because they
    had not pleaded a contract claim, the predicate for a WPCL
    action. On May 14, plaintiffs argued for the first time that
    the WPCL action was grounded in an implied contract
    between Tyson and its hourly employees.4
    On July 17, despite Tyson’s objections that the WPCL
    certification motion was late and that the implied contract
    argument was new, the District Court granted plaintiffs’
    motion to certify the state WPCL action under Fed. R. Civ.
    P. 23(b)(3).5 The state-law class, an opt-out class, consisted
    of approximately 4,100 persons, including approximately
    700 employees hired after notice was sent to the FLSA
    class.
    The District Court had subject matter jurisdiction over
    plaintiffs’ FLSA action under 
    28 U.S.C. § 1331
     and
    exercised supplemental jurisdiction over plaintiffs’ state-law
    action under 
    28 U.S.C. § 1367
    . Tyson disputes the District
    Court’s exercise of supplemental jurisdiction. Tyson
    petitioned for leave to appeal the certification order under
    Fed. R. Civ. P. 23(f), which was granted. We have
    jurisdiction over the interlocutory appeal under 
    28 U.S.C. § 1292
    (e) and Fed. R. Civ. P. 23(f).
    4. Tyson avers it has made no promise to pay its employees for donning
    and doffing time.
    5. The Pennsylvania Wage Payment & Collection Law provides:
    Actions by an employe, labor organization, or party to whom any
    type of wages is payable to recover unpaid wages and liquidated
    damages may be maintained in any court of competent jurisdiction,
    by such labor organization, party to whom any type of wages is
    payable or any one or more employes for and in behalf of himself or
    themselves and other employes similarly situated, or such employe
    or employes may designate an agent or representative to maintain
    such action or on behalf of all employes similarly situated. Any such
    employe, labor organization, party, or his representative shall have
    the power to settle or adjust his claim for unpaid wages.
    43 P.S. § 260.9a(b).
    6
    II.
    A.
    In 1938, Congress enacted the Fair Labor Standards Act
    to govern the maintenance of standard hour and wage
    practices. The FLSA requires employers to pay their
    employees at least a specified minimum hourly wage for
    work performed, 
    29 U.S.C. § 206
    , and to pay one and one-
    half times the employee’s regular rate of pay for hours
    worked in excess of forty hours per week, 
    29 U.S.C. § 207
    .
    Employers who violate these provisions are “liable to the
    employee or employees affected in the amount of their
    unpaid minimum wages, or their unpaid overtime
    compensation, as the case may be, and in an additional
    equal amount as liquidated damages.” 
    29 U.S.C. § 216
    (b).
    The legislation propelled thousands of portal-to-portal
    lawsuits. The term “portal to portal” represents an
    employee’s work day from starting time to quitting time.
    Jewell Ridge Coal Corp. v. United Mine Workers, 
    325 U.S. 161
    , 188 (1945) (Jackson, J., dissenting); Connors v. Beth
    Energy Mines, Inc., 
    920 F.2d 205
    , 208 (3d Cir. 1990) (work
    day was eight hours from portal-to-portal including thirty
    minutes for lunch). Between July 1, 1946 and January 31,
    1947, employees around the country filed 1,913 such
    actions under the FLSA. 93 Cong. Rec. 2,082 (1947).
    The dramatic increase in these suits was a result of the
    Supreme Court’s decision in Anderson v. Mount Clemens
    Pottery Co., 
    328 U.S. 680
     (1946), which expanded the scope
    of compensable “working time” for FLSA purposes. See 93
    Cong. Rec. 2,089 (1947) (“[W]hat is the cause of this
    widespread litigation? The immediate incident which
    apparently brought this vast flood of litigation upon our
    nation was the decision of the Supreme Court [in
    Anderson].”). Responding to this increase in litigation,
    Congress sought “to define and limit the jurisdiction of the
    courts” through the Portal-to-Portal Act, Pub. L. No. 80-49,
    ch. 52, § 1(b)(3), 
    61 Stat. 85
     (1947). 93 Cong. Rec. 2,087
    (1947) (“[T]he attention of the Senate is called to a dramatic
    influx of litigation, involving vast alleged liability, which has
    suddenly entered the Federal courts of the Nation.”). Noting
    7
    the “immensity of the [litigation] problem,” 
    id. at 2,082
    ,
    Congress attempted to strike a balance to maintain
    employees’ rights but curb the number of lawsuits. Under
    the Portal-to-Portal Act, an FLSA action for overtime pay
    could be maintained by “one or more employees for and in
    behalf of himself or themselves and other employees
    similarly situated.” 
    29 U.S.C. § 216
    (b). But the statute
    contained an express opt-in provision: “No employee shall
    be a party plaintiff to any such action unless he gives his
    consent in writing to become such a party and such
    consent is filed in the court in which such action is
    brought.” 
    Id.
    Because the Portal-to-Portal Act amendment changed
    participation in an FLSA class from “opt-out” to “opt-in,”
    FLSA plaintiffs could not certify a class under Fed. R. Civ.
    P. 23, even though federal subject matter jurisdiction
    obtained. E.g., Lusardi v. Lechner, 
    855 F.2d 1062
    , 1068 n.8
    (3d Cir. 1988) (“Courts have generally recognized that Rule
    23 class actions may not be used under FLSA § 16(b).”); 5
    James Wm. Moore et al., Moore’s Federal Practice § 23.06[1]
    (3d ed. 2003) (“Rule 23 is inapplicable to class proceedings
    under the FLSA.”). The principal difference between FLSA
    class actions and Fed. R. Civ. P. 23 class actions is that
    prospective plaintiffs under the FLSA must consent to join
    the class.
    As noted, plaintiffs here obtained federal court
    jurisdiction when they filed a FLSA action, alleging that
    Tyson was liable to pay its employees for time spent
    donning and doffing. The District Court ordered notice to
    prospective class members and later certified a class of 504
    persons who consented in writing to become party plaintiffs.6
    The certification of this class is not problematic. But Tyson
    contends plaintiffs obtained federal jurisdiction, then used
    their supplemental state-law WPCL action and Fed. R. Civ.
    P. 23’s opt-out provisions as an end run around the Portal-
    6. As noted, the current number of eligible plaintiffs in the FLSA class is
    447.
    8
    to-Portal Act’s clear congressional mandate in favor of
    collective opt-in actions.7
    B.
    At issue is whether the District Court properly exercised
    supplemental jurisdiction over the state-law WPCL opt-out
    action.
    In 1990, Congress broadened district courts’ ability to
    exercise supplemental jurisdiction over non-federal claims.
    
    28 U.S.C. § 1367.8
     The statute explicitly provided for
    7. Plaintiffs argue Congress did not intend the Portal-to-Portal Act
    amendments to affect state-law actions. They cite legislative history that
    “[a]ctions under the common law, or under State statutes for recovery of
    wages are not affected” by the Act. H.R. Rep. No. 71 (1947), reprinted in
    1947 U.S.C.C.A.N. 1029, 1035. But plaintiffs’ reference to the legislative
    history is misplaced. The cited statement pertained directly to the Act’s
    imposition of a one-year statute of limitations on FLSA actions. See
    Univs. Research Ass’n v. Coutu, 
    450 U.S. 754
    , 781 n.34 (1981) (“Senator
    McGrath’s statement strongly suggests that the limitations period of the
    Portal-to-Portal Act was designed to apply to the explicit statutory
    remedy set forth in the Davis-Bacon Act.”). It did not coincide with the
    Act’s provision that requires parties’ consent to a collective action.
    8. 
    28 U.S.C. § 1367
    (a-c) provides:
    (a) Except as provided in subsections (b) and (c) or as expressly
    provided otherwise by Federal statute, in any civil action of which the
    district 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 original jurisdiction that they form part
    of the same case or controversy under Article III of the United States
    Constitution. Such supplemental jurisdiction shall include claims that
    involve the joinder or intervention of additional parties.
    (b) In any civil action of which the district courts have original
    jurisdiction founded solely on section 1332 of this title, the district
    courts shall not have supplemental jurisdiction under subsection (a) over
    claims by plaintiffs against persons made parties under Rule 14, 19, 20,
    or 24 of the Federal Rules of Civil Procedure, or over claims by persons
    proposed to be joined as plaintiffs under Rule 19 of such rules, or
    seeking to intervene as plaintiffs under Rule 24 of such rules, when
    exercising supplemental jurisdiction over such claims would be
    inconsistent with the jurisdictional requirements of section 1332.
    9
    supplemental jurisdiction for “claims that involve the
    joinder or intervention of additional parties.” Id.9
    Supplemental jurisdiction was not available where
    “expressly provided otherwise by Federal statute” or under
    one of the statute’s enumerated exceptions. 
    Id.
    Section 1367 combined older notions of pendent
    jurisdiction and ancillary jurisdiction. Under the statute,
    which codified many of the principles enunciated in United
    Mine Workers v. Gibbs, 
    383 U.S. 715
    , 725 (1966), a district
    court may exercise supplemental jurisdiction where state-
    law claims share a “common nucleus of operative fact” with
    the claims that supported the district court’s original
    jurisdiction. Id.; see also 
    28 U.S.C. § 1367
    (a); Krell v.
    Prudential Ins. Co. of Am. (In re Prudential Ins. Co. Am.
    Sales Practice Litig. Agent Actions), 
    148 F.3d 283
    , 303 (3d
    Cir. 1998) (Section 1367 “does not permit courts to take
    jurisdiction over tangentially related claims. The issue is
    whether there is a ‘common nucleus of operative fact’ and
    whether the claims are part of the ‘same case or
    controversy under Article III.’ ”). Supplemental jurisdiction
    promotes “judicial economy, convenience and fairness to
    litigants.” Gibbs, 
    383 U.S. at 726
    .
    Under section 1367, a district court has authority to
    exercise supplemental jurisdiction over non-federal claims
    (c) The district courts may decline to exercise              supplemental
    jurisdiction over a claim under subsection (a) if—
    (1)   the claim raises a novel or complex issue of State law,
    (2) the claim substantially predominates over the claim or claims
    over which the district court has original jurisdiction,
    (3) the district court has dismissed all claims over which it has
    original jurisdiction, or
    (4) in exceptional circumstances, there are other compelling
    reasons for declining jurisdiction.
    9. Moreover, the Federal Rules of Civil Procedure permit joinder where
    parties asserted “any right to relief . . . and if any question of law or fact
    common to all these persons will arise in the action.” Fed. R. Civ. P.
    20(a).
    10
    arising from the same case or controversy as the federal
    claim. Here, the District Court determined the FLSA and
    WPCL actions arose from the same controversy and shared
    a common nucleus of operative fact. This ruling was not an
    abuse of discretion. Where “the same acts violate parallel
    federal and state laws, the common nucleus of operative
    facts is obvious.” Lyon v. Whisman, 
    45 F.3d 758
    , 761 (3d
    Cir. 1995). The FLSA and WPCL are parallel federal and
    state laws and the independent actions both address
    whether Tyson’s employees should be paid for donning and
    doffing time, sufficiently demonstrating a common nucleus
    of operative fact.
    Still, section 1367 provides specific exceptions to
    supplemental jurisdiction. There is no supplemental
    jurisdiction where a federal statute expressly provides
    otherwise, either through direct preclusion or preemption of
    state-law claims.10 
    28 U.S.C. § 1367
    (a).11 There are also
    explicit circumstances under which a district court may
    decline to exercise supplemental jurisdiction. 
    28 U.S.C. § 1367
    (c). At issue is whether this case involves one of
    those circumstances.
    A district court has the responsibility to manage complex
    litigation. That responsibility requires a court to determine
    10. In certain federal statutes, Congress has expressly provided for the
    preemption of state-law claims. E.g., Airline Deregulation Act of 1978, 
    49 U.S.C. § 41713
    (b)(1). But Congress did not do so here.
    11. Moreover, although not relevant here, federal courts do not have
    subject-matter jurisdiction over certain pendent state-law claims where
    original jurisdiction is based on diversity rather than a federal question:
    In any civil action of which the district courts have original
    jurisdiction founded solely on section 1332 of this title, the district
    courts shall not have supplemental jurisdiction under subsection (a)
    over claims by plaintiffs against persons made parties under Rule
    14, 19, 20, or 24 of the Federal Rules of Civil Procedure, or over
    claims by persons proposed to be joined as plaintiffs under Rule 19
    of such rules, or seeking to intervene as plaintiffs under Rule 24 of
    such rules, when exercising supplemental jurisdiction over such
    claims would be inconsistent with the jurisdictional requirements of
    section 1332.
    
    28 U.S.C. § 1367
    (b).
    11
    whether to exercise supplemental jurisdiction over pendent
    claims and parties. In enacting section 1367, Congress
    intended to enhance a district court’s ability to gain
    jurisdiction over pendent claims and parties while providing
    those courts with the discretion to decline to exercise
    supplemental jurisdiction in several express circumstances.
    “It has consistently been recognized that pendent
    jurisdiction is a doctrine of discretion, not of plaintiff ’s
    right.” Gibbs, 
    383 U.S. at 726
    .
    Because the FLSA does not expressly address
    supplemental jurisdiction, we consider the explicit statutory
    circumstances enunciated in section 1367(c) under which a
    district court may decline to exercise supplemental
    jurisdiction. In codifying much of Gibbs, Congress granted
    district court judges discretion to determine whether to
    exercise supplemental jurisdiction. 
    28 U.S.C. § 1367
    (c); see
    also New Rock Asset Partners v. Preferred Equity
    Advancements, Inc., 
    101 F.3d 1492
    , 1507 n.11 (3d Cir.
    1996) (discretion in district court judges helps promote the
    economical resolution of cases). District courts may decline
    to exercise supplemental jurisdiction where:
    (1) the claim raises a novel or complex issue of State
    law,
    (2) the claim substantially predominates over the
    claim or claims over which the district court has
    original jurisdiction,
    (3) the district court has dismissed all claims over
    which it has original jurisdiction, or
    (4) in exceptional circumstances, there are other
    compelling reasons for declining jurisdiction.
    
    28 U.S.C. § 1367
    (c)(1-4).12
    12. Subsection (3) is not relevant here since the District Court has not
    dismissed the FLSA action. We do not reach subsection (4), although it
    may be relevant. Congress provided that a District Court may decline to
    exercise supplemental jurisdiction where “in exceptional circumstances,
    there are other compelling reasons for declining jurisdiction.” 
    28 U.S.C. § 1367
    (c)(4).
    12
    The dispositive provision here appears to focus on
    whether the state-law action substantially predominates
    over the FLSA action. Where “the state issues substantially
    predominate, whether in terms of proof, of the scope of the
    issues raised, or of the comprehensiveness of the remedy
    sought, the state claims may be dismissed without
    prejudice and left for resolution to state tribunals.” Gibbs,
    
    383 U.S. at 726
    . Generally, a district court will find
    substantial predomination “where ‘a state claim constitutes
    the real body of a case, to which the federal claim is only
    an appendage’—only where permitting litigation of all
    claims in the district court can accurately be described as
    allowing a federal tail to wag what is in substance a state
    dog.” Borough of W. Mifflin v. Lancaster, 
    45 F.3d 780
    , 789
    (3d Cir. 1995) (citation omitted) (quoting Gibbs, 
    383 U.S. at 727
    ).
    Our inquiry here centers on the terms of proof and the
    scope of the issues raised in the FLSA and WPCL actions.13
    As we have held, the WPCL “ ‘does not create a right to
    compensation . . . . [r]ather, it provides a statutory remedy
    when the employer breaches a contractual obligation to pay
    earned wages. The contract between the parties governs in
    determining whether specific wages are earned.’ ” Antol v.
    Esposto, 
    100 F.3d 1111
    , 1117 (3d Cir. 1996) (quoting
    Weldon v. Kraft, Inc., 
    896 F.2d 793
    , 801 (3d Cir. 1990)).
    Because Tyson’s employees do not work under an
    employment contract or a collective bargaining agreement,
    plaintiffs will have to establish the formation of an implied
    oral contract between Tyson and its employees. Even then,
    whether an implied contract may give rise to a claim under
    the WPCL has never been addressed by the Pennsylvania
    state courts and will require additional testimony and proof
    to substantiate beyond that required for the FLSA action.14
    13. There are some differences in the comprehensiveness of the federal
    and state remedies as well since the FLSA remedy is only for overtime
    pay and the WPCL remedy is broader. And, as discussed infra, the WPCL
    claim may be dismissed without prejudice here and left for resolution to
    state tribunals. These factors further support a finding of substantial
    predomination by the WPCL claim under Gibbs, but our focus here is on
    the terms of proof and scope of the issues raised.
    14. A federal court could have subject matter jurisdiction over two
    federal claims, one requiring opt-in and the other opt-out. For example,
    13
    Given the importance of the wage-protection legal scheme
    in Pennsylvania, the scope of the state issues may
    substantially predominate over the more straightforward
    federal scheme.
    Another countervailing interest in relegating the WPCL
    claims here to state court is Congress’s express preference
    for opt-in actions for the federal cause of action. Congress’s
    interest in these matters is manifest. For policy reasons
    articulated in the legislative history, Congress chose to limit
    the scope of representative actions for overtime pay and
    minimum wage violations.
    But the interest in joining these actions is strong as well.
    As noted, the actions share a common nucleus of operative
    fact and they arise from the same case or controversy.
    Moreover, joinder would permit the District Court to
    efficiently manage the overall litigation. Were supplemental
    jurisdiction not to obtain, and assuming the statute of
    limitations has not run, plaintiffs could file the WPCL
    action in state court and request an opt-out class on behalf
    of themselves and “other employes similarly situated.” 43
    P.S. § 260.9a(b).15
    a federal employment discrimination action might be brought by a
    plaintiff class that also maintains an FLSA overtime pay action against
    their employer. But the outcome may be different where one of the
    claims is based in state law. Federal courts are courts of limited
    jurisdiction. Where a party seeks supplemental jurisdiction of a state-law
    action, we will evaluate jurisdiction under the statutory principles of 
    28 U.S.C. § 1367
    .
    15. Pennsylvania law provides for a modified opt-out class:
    (a) Except as provided in subdivision (b) or as otherwise provided by
    the court, in certifying a plaintiff class or subclass the court shall state
    in its order that every member of the class is included unless by a
    specified date a member files of record a written election to be excluded
    from the class.
    (b) If the court finds that
    (1) the individual claims are substantial, and the potential
    members of the class have sufficient resources, experience and
    sophistication in business affairs to conduct their own litigation; or
    14
    As we analyze the different levels of proof required and
    the relevant federal and state interests, the disparity in
    numbers here gives us pause. In terms of the number of
    plaintiffs, the sheer difference in numbers between the two
    prospective classes, 447 as opposed to 4,100, may
    constitute substantial predomination by the state WPCL
    action under section 1367.
    Generally, the distinction between opt-in and opt-out
    classes is crucial. Under most circumstances, the opt-out
    class will be greater in number, perhaps even exponentially
    greater. Opt-out classes have numbered in the millions. See
    In re Prudential, 
    148 F.3d at 289-90
    . The aggregation of
    claims, particularly as class actions, profoundly affects the
    substantive rights of the parties to the litigation. Notably,
    aggregation affects the dynamics for discovery, trial,
    negotiation and settlement, and can bring hydraulic
    pressure to bear on defendants. The more aggregation, the
    greater the effect on the litigation.
    But the size of a prospective class is important for
    another reason. Within the universe of possible claimants,
    it determines how many prospective plaintiffs remain
    outside the class structure who are able to bring their own
    individual suits. A large class with few claimants with
    viable claims remaining outside is more likely to result in a
    resolution bringing “global peace.” Conversely, a smaller
    class in relation to the universe of possible claimants,
    usually the result of an opt-in structure, will leave open the
    possibility of more suits, assuming these are actions that
    can be maintained individually.
    We do not tout the relative merits of either approach. For
    our purposes, it is sufficient to note that mandating an opt-
    (2) other special circumstances exist which are described in the
    order,
    the court may state in its order that a person shall not be a member of
    the plaintiff class or subclass unless by a specified date the person files
    of record a written election to be included in the class or subclass.
    Pa. R. Civ. P. 1711.
    15
    in class or an opt-out class is a crucial policy decision.
    Congress has selected an opt-in class for FLSA actions.16
    Predomination under section 1367 generally goes to the
    type of claim, not the number of parties involved. But the
    disparity in numbers of similarly situated plaintiffs may be
    so great that it becomes dispositive by transforming the
    action to a substantial degree, by causing the federal tail
    represented by a comparatively small number of plaintiffs
    to wag what is in substance a state dog.
    Within the section 1367(c) analysis, certain issues of
    state law presented in the WPCL action also weigh heavily,
    tilting the balance against the exercise of supplemental
    jurisdiction. Pennsylvania courts have not addressed two
    novel and complex questions of state law squarely
    presented here: whether a WPCL action may rest on an
    implied employment contract that relies on alleged oral
    representations by Tyson managers; and whether the WPCL
    pertains to at will, non-collective bargaining employees. The
    need to resolve these issues, which are better left to the
    Pennsylvania state courts, weighs in favor of declining
    supplemental jurisdiction. 
    28 U.S.C. § 1367
    (c)(1).
    Whether the allegations of an implied employment
    contract run to the entire WPCL class is also in dispute and
    would implicate the predominance inquiry of Fed. R. Civ. P.
    23(b)(3). “In cases involving implied contracts of
    employment, the litigant will be able to reach the jury only
    if he can clearly show that he and the employer intended to
    form a contract.” DiBonaventura v. Consolidated Rail Corp.,
    
    539 A.2d 865
    , 868 (Pa. Super. Ct. 1988). Because the FLSA
    claim does not require an intent to form a contract,
    individual questions of implied contract formation with
    respect to each member of the WPCL class might
    conceivably predominate over the issues common to the
    claims of the FLSA plaintiffs.
    16. Similarly, Congress has selected an opt-in class for actions under the
    Age Discrimination in Employment Act. See Sperling v. Hoffman-LaRoche,
    Inc., 
    24 F.3d 463
    , 464 (3d Cir. 1994) (“Section 7(b) of ADEA expressly
    borrows the opt-in class mechanism of section 16(b) of the Fair Labor
    Standards Act of 1938.”). As noted, in the absence of contrary
    congressional mandates, class actions in federal court are governed by
    Fed. R. Civ. P. 23.
    16
    We review a district court’s exercise of supplemental
    jurisdiction for abuse of discretion. See Lyon, 
    45 F.3d at 760
     (“[I]t is possible that even if the district court had the
    power to hear the supplemental claims, it abused its
    discretion in doing so.”). In exercising supplemental
    jurisdiction over the WPCL action here, the District Court
    held that “adding extra class members alone, whose
    interests will be represented by the named Plaintiffs, will
    not make the state law claims predominate. Regardless of
    the number of class members, the named plaintiffs will
    represent all of those with an FLSA claim or a WPCL claim.”
    De Asencio v. Tyson Foods, Inc., 
    2002 U.S. Dist. LEXIS 13038
    , at *16 (E.D. Pa. July 17, 2002).
    But whether the same group of named plaintiffs
    represent both the state and federal classes is not
    dispositive under Gibbs. Instead, a court must examine the
    scope of the state and federal issues, the terms of proof
    required by each type of claim, the comprehensiveness of
    the remedies, and the ability to dismiss the state claims
    without prejudice to determine whether the state claim
    constitutes the real body of the case. This necessarily is a
    case-specific analysis. Here, the inordinate size of the state-
    law class, the different terms of proof required by the
    implied contract state-law claim, and the general federal
    interest in opt-in wage actions suggest the federal action is
    an appendage to the more comprehensive state action.
    We also are mindful of the unique circumstances
    surrounding this litigation. On August 22, 2000, plaintiffs
    filed this suit. The complaint included both the FLSA and
    WPCL causes of action. On October 4, 2000, plaintiffs
    sought collective action treatment of their FLSA claim but
    did not seek certification of a class on the WPCL claim. It
    was not until nearly 17 months later, on February 22,
    2002, after the District Court had closed the FLSA class
    period and ended discovery, that plaintiffs filed a motion to
    certify a class on the WPCL claim. Moreover, it was not
    until May 14, 2002, that plaintiffs first raised their implied
    contract theory to support the WPCL claim.
    The way in which this suit evolved lends even greater
    credence to the conclusion that certification of the state-law
    class was plaintiffs’ second line of attack when the FLSA
    17
    opt-in period yielded a smaller than desired federal class.
    This may be proper strategy where the state and federal
    actions raise similar issues and require similar terms of
    proof. But here, the state interest in whether plaintiffs may
    prevail on an implied contract WPCL action is
    disproportionately high.17
    Accordingly, we find the District Court did not exercise
    sound discretion in granting supplemental jurisdiction over
    the WPCL action.18
    III.
    Of the approximately 3,400 FLSA notices that Tyson
    mailed to current or former employees, nearly 800 of them
    were “undeliverable” and “returned to sender” due to
    incorrect addresses.19 The record also demonstrates that
    17. In discussing amendments to 
    28 U.S.C. § 1367
    , the Federal Courts
    Study Committee recommended: “In order to minimize friction between
    state and federal courts . . . Congress should direct federal courts to
    dismiss state claims if these claims predominate or if they present novel
    or complex questions of state law, or if dismissal is warranted in the
    particular case by considerations of fairness or economy.” Report of the
    Federal Courts Study Committee, 47-48 (Apr. 2, 1990).
    18. Consistent with our holding, we will deny certification of the WPCL
    class with respect to all plaintiffs, including those who opted into the
    FLSA class. Our decision does not necessarily preclude the exercise of
    supplemental jurisdiction where all plaintiffs with state law claims have
    opted into the FLSA class. See Alvarez v. IBP, Inc., 
    2003 U.S. App. LEXIS 15622
     (9th Cir. Aug. 5, 2003). These matters are committed to the sound
    discretion of the District Court. See 
    28 U.S.C. § 1367
    .
    19. The Notice and Consent Form, written in English and Spanish, was
    disseminated as follows:
    (1) for existing workers who are class members, Tyson shall
    insert the Notice and Consent Form with the workers’ next
    paycheck, along with a postage paid envelope addressed to Plaintiffs’
    counsel;
    (2) for former workers who are class members, Tyson shall mail
    immediately the Notice with Consent Form to the workers’ last
    known addresses, along with a postage paid envelope addressed to
    Plaintiffs’ counsel; and
    (3) Tyson shall promptly file with the Court, and serve a copy to
    Plaintiff ’s counsel, written certification confirming it has fully
    complied with the Court’s Order including the date(s) that it
    complied with the instant Order.
    18
    Tyson hired approximately 700 employees after it mailed
    the notice, and those employees never received notice.
    Nevertheless, the District Court closed the opt-in period
    and denied plaintiffs’ motion to reissue notice to all
    potential plaintiffs. The resulting number of 447 plaintiffs
    represented approximately 11 percent of the then-eligible
    class.
    In class actions, courts have equitable powers to manage
    the litigation in order to promote judicial economy and
    fairness to litigants. In re Diet Drugs Prods. Liab. Litig., 
    282 F.3d 220
    , 232 (3d Cir. 2002) (noting the “equitable nature
    of class action proceedings”); In re Orthopedic Bone Screw
    Prods. Liab. Litig, 
    246 F.3d 315
    , 321 (3d Cir. 2001)
    (discussing a court’s equitable powers to “manage” class
    action litigation). For this reason, we direct the District
    Court to reopen the FLSA opt-in period for a reasonable
    period of time to allow additional notice to all eligible
    current and former employees. Tyson should make all
    reasonable efforts to provide notice to these potential class
    members.
    IV.
    For the foregoing reasons, we will reverse the judgment of
    the District Court and remand for proceedings consistent
    with this opinion.
    A True Copy:
    Teste:
    Clerk of the United States Court of Appeals
    for the Third Circuit