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ARTICLE · 11 AUGUST 2026

Ninth Circuit Again Applies Effective Vindication Doctrine In Finding ERISA Plan Arbitration Clause Unenforceable

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The Ninth Circuit Court of Appeals has once again invoked the effective vindication doctrine to strike down an ERISA plan arbitration clause, ruling that provisions preventing representative actions and plan-wide relief violate participants' substantive rights under federal law. This decision adds to a growing body of federal appellate precedent challenging the enforceability of arbitration clauses in 401(k) plans, raising critical questions about how plan sponsors should structure dispute resolution mechan

United StatesLitigation, Mediation & Arbitration
Richard Nowak
Richard Nowak
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On July 30, 2026, the U.S. Court of Appeals for the Ninth Circuit once again applied the judicially created “effective vindication doctrine”1 and held that an arbitration clause in a 401(k) plan document was unenforceable because it required the plaintiff-participant to waive substantive rights and remedies under ERISA. In Pover v. Capital Group Companies,2 a split panel3 of the Ninth Circuit held that the arbitration clause in the company’s 401(k) plan4 violated the effective vindication doctrine because, like the arbitration clause in Platt v. Sodexo, 148 F.4th 709 (9th Cir. 2025), it precluded the plaintiff “from bringing claims in a representative capacity on the Plan’s behalf” and “from obtaining the plan-wide relief available under [ERISA] § 409(a).”5

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