725 Twelfth Street, NW
Washington, D.C. 20005

+1 202 434 5599

40 & Under Hot List


District of Columbia

Sarah Harris represents clients in high-stakes appeals in the U.S. Supreme Court and federal and state appellate courts across the country. She has argued twice before the U.S. Supreme Court, prevailing in both cases, and she has presented many arguments in federal courts of appeals and state appellate courts. Her cases have covered a wide range of topics, including constitutional law, administrative law, class actions, antitrust, False Claims Act litigation, products liability, commercial litigation, and federal civil procedure. Sarah has been recognized in the appellate field as a “Rising Star” by The National Law Journal, a “Next Generation Lawyer” by The Legal 500, and as one of Bloomberg Law’s “Five Fresh Faces to Know in Appellate.” 

In 2021, Chambers USA recognized Sarah as “Up and Coming” in Appellate Law, and reported that clients describe her as “a terrific, dynamite writer and appellate advocate,” and “a rising star.” 

Sarah clerked for Justice Clarence Thomas on the Supreme Court of the United States, Judge Laurence Silberman on the United States Court of Appeals for the D.C. Circuit, and Judge Sandra Lynch on the United States Court of Appeals for the First Circuit. Before joining Williams & Connolly, she served as a Deputy Assistant Attorney General in the Department of Justice’s Office of Legal Counsel. 

Sarah received her undergraduate degree summa cum laude from Princeton University, and her J.D. magna cum laude from Harvard Law School. She also holds a Ph.D. and M. Phil. from the University of Cambridge. 


Updated July 2021