( July 31, 2026, 11:58 AM EDT) -- SAN FRANCISCO — Applying Platt v. Sodexo, S.A. in a July 30 ruling that one panel member dissented from for two reasons, the Ninth Circuit U.S. Court of Appeals affirmed that a nonseverable arbitration provision is unenforceable because it contains a class, collective and representative action waiver that prevents effective vindication of retirement plan participants’ substantive right under the Employee Retirement Income Security Act....