Supreme Court Further Restricts Class Arbitration Finding It Must be Unambiguously Authorized

In a 5-4 decision authored by Chief Justice Roberts, joined by Justices Thomas, Alito, Gorsuch, and Kavanaugh, the U.S. Supreme Court in Lamps Plus Inc. v. Varella held that courts may not infer from an ambiguous agreement that parties have consented to arbitrate on a classwide basis. Lamps Plus Inc. v. Varella involved an employee who had filed a class action against his employer. Lamps Plus responded by seeking to compel arbitration on an individual rather than a classwide basis. The district court dismissed the case and compelled arbitration, but on a class basis. Lamps Plus appealed, and the Ninth Circuit upheld the district court’s decision. The Ninth Circuit’s reasoning hinged on the fact that the arbitration agreement was ambiguous about the availability of class arbitration. The Ninth Circuit thus distinguished Stolt-Nielsen S. A. v. AnimalFeeds Int’l Corp., 559 U. S. 662 (2010), arguing that in Stolt-Nielsen the parties had stipulated that the agreement was silent about class arbitration, whereas the parties had no such stipulation in Lamps Plus. Because the Ninth Circuit held that the agreement was ambiguous, the appellate court turned to California’s contra proferentem rule and held that this state law contract principle required the court to interpret...