Ian Samuel's practice focuses on appellate litigation, dispositive motions, and legal strategy. He has argued cases in the U.S. Courts of Appeals for the D.C., Second, Fourth, Seventh, Eighth, and Ninth Circuits, and has been the principal author of numerous briefs in the Supreme Court of the United States at both the certiorari and merits stages. Shortly after joining Jones Day, Ian briefed and argued an appeal in the Fourth Circuit on behalf of Lavabit LLC, a commercial email provider, in a major challenge to the government's ability to seize the private encryption keys of innocent third-party businesses.Prior to joining Jones Day, Ian was a law clerk to Justice Scalia on the Supreme Court of the United States. He also previously served in the U.S. Department of Justice, where he represented the government in federal courts nationwide. While there, he briefed and argued multiple appeals regarding the constitutionality of the government's civil commitment statute, following a district court's invalidation of the program. He also briefed and argued a case that substantially expanded the protections for law enforcement information under the Freedom of Information Act, was the principal author of a successful amicus brief on behalf of the United States in a Supreme Court case regarding protections for secured creditors in bankruptcy, and participated in the government's defense of the constitutionality of the Affordable Care Act and its preemption challenge to Arizona's immigration statute.