Respondents (including Gilbertson) purchased limited partnership interests promoted in the late 1970s and early 1980s. They alleged that the offering materials and related legal work—attributed in part to the law firm Lampf, Pleva, Lipkind, Prupis & Petigrow—contained material misstatements and omissions about the investments' risks and tax advantages, in violation of §10(b) of the Securities Exchange Act of 1934 and SEC Rule 10b-5. The investors did not file suit until several years after their purchases. The federal district court concluded the claims were untimely when measured against a one-year/three-year limitations framework some courts had been applying by analogy to federal securities statutes and dismissed the action. The Ninth Circuit reversed, relying on state Blue Sky limitations and tolling principles, and held that the action could proceed. The Supreme Court granted certiorari to resolve the split over the proper statute of limitations for private §10(b)/Rule 10b-5 actions and to determine the effect of equitable tolling and retroactivity in this context.
What is the proper statute of limitations for private §10(b)/Rule 10b-5 securities-fraud actions, and is the outer period subject to equitable tolling? Additionally, should the rule be applied to the parties before the Court (and, by implication, retroactively to pending cases)?
For private actions implied under §10(b) and Rule 10b-5, the uniform federal limitations period is one year after the plaintiff discovers (or should have discovered) the facts constituting the violation, but in no event more than three years after the violation. The three-year period is a statute of repose not subject to equitable tolling. The Court applies this rule to the case before it.
The Supreme Court held that private §10(b)/Rule 10b-5 actions must be filed within one year of discovery and no more than three years after the violation; the three-year period is a repose period that cannot be equitably tolled. Applying this rule to the case, respondents' claims were time-barred. The judgment of the Ninth Circuit was reversed.
First, the Court observed that §10(b) and Rule 10b-5 contain no express limitations period. Although courts often borrow state statutes of limitations for federal causes of action, the Court explained that when a closely analogous federal statute exists and borrowing it better serves federal policies, federal law should be used. The Court identified analogous express remedies in the federal securities laws—including §9(e) and §18(c) of the 1934 Act and §13 of the 1933 Act—all of which prescribe a one-year period after discovery coupled with an absolute three-year outside limit. These federal provisions share the same subject matter and remedial aims as §10(b)/Rule 10b-5, and adopting their timing scheme promotes nationwide uniformity, reduces forum shopping, and aligns with Congress's policy choices in the securities domain. Second, the Court characterized the three-year outside limit as a statute of repose, not a statute of limitations. A repose period reflects a legislative judgment that there must be a definitive end to potential liability after a fixed number of years, regardless of a plaintiff's diligence or concealment by defendants. Because a repose period is substantive and not triggered by discovery, it is not subject to equitable tolling. Permitting tolling would undermine the very finality the repose period is designed to afford and would conflict with the structure of the analogous federal provisions. Finally, the Court applied its rule to the parties before it, concluding the respondents' claims were filed outside the three-year repose period and thus barred. That application, in light of the Court's general practice (and consistent with the contemporaneously decided James B. Beam Distilling Co. v. Georgia), entailed retroactive application to cases still pending on direct review. The Court therefore reversed the Ninth Circuit and remanded with instructions consistent with the dismissal of the time-barred claims.
Lampf unified the statute of limitations for private §10(b)/Rule 10b-5 suits nationwide, curbing forum shopping and providing predictable time bars for investors and market participants. Its most enduring contribution is the classification of the outside three-year cutoff as a statute of repose, a concept later echoed and reinforced in decisions addressing other securities regimes. The immediate practical impact was dramatic: many pending 10b-5 cases were dismissed as untimely when measured against the newly uniform rule applied retroactively. Congress quickly reacted by enacting Section 27A of the Exchange Act to mitigate the retroactive effect for certain pending cases and, a decade later, by extending the limitations to two years after discovery and five years after the violation for private securities-fraud actions under 28 U.S.C. §1658(b) (Sarbanes–Oxley Act of 2002). Even with those statutory changes, Lampf remains pivotal for its federal-borrowing analysis, its emphasis on uniformity, and its clear demarcation between statutes of limitations and statutes of repose in securities litigation.
Lampf resolved deep uncertainty in private securities-fraud litigation by adopting a single, nationwide limitations regime for §10(b)/Rule 10b-5 claims and by distinguishing between discovery-based limitations and absolute repose. Its uniform federal standard replaced a state-law patchwork, advancing predictability and reducing incentives for forum shopping.