Judd Littleton is a partner in Sullivan & Cromwell’s Litigation Group and Co-Head of the Firm’s Supreme Court & Appellate Practice. He represents clients in high-stakes appeals before the U.S. Supreme Court and federal and state appellate courts across the country, as well as in litigation challenging federal agency action under the Administrative Procedure Act. Mr. Littleton also regularly advises clients on complex, strategic legal issues arising from litigation, new laws or regulations, or government investigations.
In addition to his Supreme Court and appellate work, Mr. Littleton has experience in a wide range of complex commercial litigation and criminal defense and investigations. He has also represented individuals accused of crimes or other serious wrongdoing in high-profile matters.
Prior to joining the Firm, Mr. Littleton served as a trial attorney in the Civil Division of the U.S. Department of Justice, where he litigated cases involving a wide range of constitutional and statutory issues and received the Attorney General’s Distinguished Service Award, the Department’s second-highest award for employee performance. Mr. Littleton also served as a Bristow Fellow in the Office of the Solicitor General, where he worked on numerous cases before the U.S. Supreme Court and federal courts of appeals.
After law school, Mr. Littleton clerked for Chief Justice John G. Roberts, Jr. of the U.S. Supreme Court and for Judge A. Raymond Randolph of the U.S. Court of Appeals for the D.C. Circuit.
Mr. Littleton is a member of the Edward Coke Appellate Inn of Court and the Supreme Court Historical Society. He’s been recognized by Lawdragon as a “Leading Litigator in America” (Appellate/Supreme Court) since 2023 and by The National Law Journal as one of its 2019 D.C. Rising Stars. Mr. Littleton is a frequent speaker at Supreme Court and appellate forums. He has been a member of Law360’s Appellate Editorial Advisory Board since 2023 and is one of the creators and editors of S&C’s annual Supreme Court Business Review.
