In the Supreme Court of the United States, AT&T Mobility LLC., petitioner, v. Vincent and Liza Concepcion, respondents [electronic resource] : on writ of certiorari to the United States Court of Appeals for the Ninth Circuit : brief of amicus curiae NAACP Legal Defense & Educational Fund, Inc. in support of respondents / Debo P. Adegbile, counsel of record [and 3 others]

At issue is whether the Federal Arbitration Act preempts a state law that conditions the enforcement of arbitration agreements on the availability of class-wide arbitration procedures.