Mark regularly serves as lead outside appellate counsel to major global companies in their most significant matters. His significant appeals have included most areas of business litigation, including securities, intellectual property, employment, and competition law. He has exceptional experience briefing and arguing cases in the Supreme Court of the United States – including winning landmark decisions in Lucia v. SEC, Alice Corp. v. CLS Bank, and Janus Capital Group v. First Derivative Traders – and the federal courts of appeals. Mark also regularly represents clients in federal district courts, frequently serving as litigation strategist in class actions and other complex commercial cases.*
Mark is extremely well regarded by leading legal industry publications. He is ranked by Chambers USA, where commentators have called him a "master strategist and a brilliant writer" and a “strong advocate” who “pushes hard on the strong points in terms of his briefs and oral advocacy,” as one of the top practitioners nationally for Appellate Law. Mark is also recognized by Legal 500 as a top-ranked national “Leading Lawyer.” He has been named a National “Litigation Star” for both Appellate and General Commercial by Benchmark Litigation, which also has awarded him “Appellate Lawyer of the Year” honors. Additionally, Mark has been recognized by Best Lawyers in America® in the fields of Appellate Practice and Securities / Capital Markets Law, by Super Lawyers in the Appellate category, and by IAM Patent – which called him “undoubtedly one of the top appellate specialists in the country” – for his work in the Federal Circuit. He also has been selected by Law360 on numerous occasions as a national “MVP,” including in the Antitrust and Securities categories, and named a “Litigator of the Week” by The American Lawyer.
Before joining Weil, Mark was a partner at another international law firm, where he served as Co-Chair of its nationwide Appellate and Constitutional Law Practice Group. Earlier, he 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. Mark also worked as what is now called a Bristow Fellow in the Office of the Solicitor General of the United States.
He earned his law degree with high honors from the University of Chicago Law School, where he served as Executive Editor of the Law Review. Mark’s undergraduate degree was conferred by the University of California at Berkeley.
*includes matters handled prior to joining Weil
Firm News & Announcements, Awards and Recognition, Speaking Engagements, Latest Thinking
Firm News & Announcements
- Weil Shortlisted for Top 2023 Benchmark Litigation Honors Firm Announcement — January 26, 2023
- Weil Recognized in 2022 LMG Life Sciences Guide Firm Announcement — September 26, 2022
Awards and Recognition
- Mark Perry Named a Leading Lawyer Nationally for Appellate Law: Nationwide Award Brief — Chambers USA
- Mark Perry Named a Leading Lawyer Nationally for Appellate: Supreme Courts Award Brief — Legal 500 US
Expert Perspectives: Making Your Case from the 13 to the 9
Mark A. Perry
February 24, 2023 — Weil Appeals and Strategic Counseling Co-Head Mark A. Perry led a discussion of cases before the U.S. Courts of Appeals and U.S. Supreme Court that have potential implications for advertising and marketing practices and for consumer package goods companies.
High Court Halftime: The U.S. Supreme Court’s October Term 2022 at Midpoint
Mark A. Perry
February 16, 2023 — Weil Appeals and Strategic Counseling Co-Head Mark A. Perry served on a panel hosted by the Washington Legal Foundation entitled “High Court Halftime: The U.S. Supreme Court’s October Term 2022 at Midpoint.” Mark and his co-panelists previewed the Term’s second half with a focus on cases that impact free enterprise and economic liberties.
- Federal Trade Commission Proposes to Eliminate Almost all Non-competes Publication — Corporate Governance Advisor — By Eric S. Hochstadt, Jeffrey H. Perry, John P. Barry, Gary D. Friedman and Mark A. Perry — PDF — February 2023
- Non-Competes No More? Publication — Daily Journal — By Eric S. Hochstadt, Mark A. Perry, John P. Barry, Jeffrey H. Perry and Artem Khrapko — PDF — January 26, 2023
- Federal Trade Commission Proposes to Eliminate Almost All Non-Competes: Caution is Warranted Although the Proposed Rule May Not Survive Likely Legal Challenges Alert — By Eric S. Hochstadt, Jeffrey H. Perry, John P. Barry, Gary D. Friedman and Mark A. Perry — PDF — January 09, 2023