Jon Hacker is a partner in O’Melveny’s Washington, DC office, and Chair of the Supreme Court and Appellate Practice. He is also the hiring partner for the DC office.

Jon has authored briefs in dozens of US Supreme Court cases at both the merits and certiorari stages, and has briefed cases in federal and state appellate courts throughout the country. He has argued in the US Supreme Court and nearly every federal circuit, as well as the New Jersey Appellate Division and the D.C. Court of Appeals. Jon’s appellate work has resulted in reversals of trial-court judgments (including jury verdicts) worth tens of millions and even billions of dollars. He has also briefed and argued many trial-level matters in federal and state courts, has conducted discovery and depositions in complex litigation matters, and has handled several trials. Jon’s areas of expertise include federal constitutional law, insurance, ERISA, antitrust, criminal law and procedure, and federal jurisdiction and procedure.

The Wall Street Journal described Jon in January 2011 as a “rising appellate star.” He was named “Appellate Lawyer of the Week” by the National Law Journal in 2011, and was named to the Washington, D.C. Super Lawyers list in 2011-2014. He has repeatedly been selected as a leading US appellate lawyer by Chambers, Legal 500, and The Best Lawyers in America.

Jon is also Co-Chair of the Supreme Court Amicus Committee of the National Association of Criminal Defense Lawyers.