Mark A. Perry is a partner in the Washington, D.C. office of Gibson, Dunn & Crutcher LLP and Co-Chair of the Firm’s nationwide Appellate and Constitutional Law Practice Group.  His practice focuses on complex commercial litigation at both the trial and appellate levels.

Mr. Perry is an accomplished appellate lawyer who has briefed and argued many cases in the Supreme Court of the United States—including winning the landmark decisions in Alice Corp. v. CLS Bank and Janus Capital Group v. First Derivative Traders—and the federal courts of appeals. (See Overview of Section 101 Patent Cases Decided After Alice v. CLS (as of March 1, 2019)).  He has served as chief appellate counsel to Fortune 100 companies in significant securities, intellectual property, and employment cases.  He also appears frequently in federal district courts, serving both as lead counsel and as legal strategist in complex commercial cases.  He has special expertise in class actions, and teaches the upper-level course in Class Action Law and Practice at Georgetown University Law Center.

Mr. Perry has been recognized by Best Lawyers in America^® in the fields of Appellate Practice and Securities / Capital Markets Law, named a National Litigation Star for Appellate and General Commercial by Benchmark Litigation, identified in the Appellate category by Super Lawyers, and ranked in the National Appellate category by Chambers USA.  Mr. Perry has been recognized as the Appellate Lawyer of the Year by Benchmark Litigation, identified as a “Securities MVP” and an “Appellate MVP” by Law360, and named a Litigator of the Week by the American Lawyer.  He is also a Fellow of the Litigation Counsel of America.

Before joining Gibson Dunn, Mr. Perry served as a law clerk to Justice Sandra Day O’Connor of the Supreme Court of the United States, and to Judge Alex Kozinski of the United States Court of Appeals for the Ninth Circuit.  He also worked as what is now called a Bristow Fellow in the Office of the Solicitor General of the United States.  Mr. Perry earned his law degree with high honors from the University of Chicago Law School, where he served as Executive Editor of the Law Review.  His undergraduate degree was conferred by the University of California at Berkeley.