AT&T Mobility v. Concepcion, 131 S. Ct. 1740 (2011)

In this landmark new opinion, the United States Supreme Court held that the Federal Arbitration Act (“FAA”) prohibits states from conditioning the enforceability of an arbitration agreement on the availability of class action arbitration procedures. Although this case arose in the consumer context (it involved AT&T’s charging sales tax for “free phones”), it has far-reaching