Biography
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 2024 Benchmark Litigation Honors Firm Announcement — January 17, 2024
- Weil Achieves High Rankings in 2023 LMG Life Sciences Guide Firm Announcement — October 10, 2023
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
Speaking Engagements
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Appellate and Supreme Court Landscape
Speaker(s):
Mark A. Perry
February 27, 2024 — Weil Appeals and Strategic Counseling Co-Head Mark A. Perry led a keynote session on the key cases being considered by the US Courts of Appeal and the Supreme Court that may bring along potential implications for advertising and marketing practices at Consumer Brands Association’s 2024 CPG Legal Forum.
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Supreme Court Crystal Ball Briefing
Speaker(s):
Mark A. Perry
May 17, 2023 — Weil Appeals and Strategic Counseling Co-Head Mark A. Perry led a discussion of the complex, newsworthy and possibly controversial cases before the U.S. Supreme Court in a panel discussion sponsored by the New England Legal Foundation.
Latest Thinking
- A Divided FTC Issues Final Rule on Non-Competes – Caution is Warranted Although the Rule May Not Survive Legal Challenges Alert — Weil Alert — By John P. Barry, Jeffrey H. Perry, Eric S. Hochstadt and Mark A. Perry — PDF — April 24, 2024
- Supreme Court Closes the Floodgates—Narrows Item 303 Claims Alert — Appeals and Strategic Counseling — By Mark A. Perry, Stacy Nettleton, Evert J. Christensen, Nicole Elizabeth Prunetti, Josh Wesneski, Jacob Altik and Max Bloom — PDF — April 12, 2024
- Panoramic – Administrative & Public Law USA Publication — Law Business Research Ltd. — By Mark A. Perry, Josh Wesneski and Mark Pinkert — PDF — January 25, 2024
- Weil's SCOTUS Term in Review Publication — By Mark A. Perry, Zack Tripp, Greg Silbert, Josh Wesneski, Crystal Weeks and Shai Berman — PDF — July 13, 2023
- FTC and DOJ Propose Major Overhaul of HSR Premerger Notification Process Alert — Antitrust — By Brianne Kucerik, Michael Moiseyev, Jeffrey H. Perry, Mark A. Perry, Michael C. Naughton and Rob Meyer — PDF — June 29, 2023