Overview
Greg Stone is widely recognized for his trial skills, particularly in patent, antitrust, unfair competition, and product liability cases, and he has tried class actions and represented defendants in dozens more. He is a Fellow of the American College of Trial lawyers.
Representing clients in courts throughout the United States, Greg has been an advocate for companies whose business interests span a wide spectrum, from technology to pharmaceuticals to manufacturing and consumer products. He also has represented smaller companies in various areas of emerging technology.
His expertise in intellectual property and antitrust law has led him to handle many matters that lie at the intersection of those two fields of law.
A graduate of the California Institute of Technology, he has remained active there and currently is chair of the Chair’s Council for the Division of Chemistry and Chemical Engineering and a member of Caltech’s Information Science and Technology Advisory Council. He also is on the Board of Trustees of Polytechnic School and a former member of the Committee on Science, Technology and Law of the National Academies of Sciences, Engineering, and Medicine.
Capabilities
Experience
Intellectual Property
Greg has been lead counsel in many patent cases and also has tried copyright and trade secret cases. He has argued appeals in IP cases, principally in the Federal Circuit.
Greg has handled patent cases in all the popular venues – California, Delaware and Texas – as well as in other jurisdictions. He also has tried copyright infringement cases, including a case involving the significant issue of whether APIs are copyrightable, and he has handled cases alleging misappropriation of trade secrets.
Antitrust
Greg has tried antitrust cases in U.S. district courts, California state courts, and before the Federal Trade Commission. He has handled antitrust inquiries and investigations brought by both the Department of Justice and the Federal Trade Commission, including investigations involving mergers and acquisitions, assertion of patents, and alleged agreements among companies not to hire each other’s employees.
He has significant expertise in California’s Unfair Competition Law, particularly in the context of class actions.
Class Actions
Greg has defended nationwide and statewide class actions in tort, product liability and toxic tort, unfair competition, and antitrust cases. He has defended class actions in California, Hawaii, Massachusetts, Minnesota, Nevada, New Mexico, Oregon, Washington, and the Marshall Islands. His cases have involved a wide variety of products and services, from computers, cell phones, data storage, and video game hardware, to grocery items, coupons, and cigarettes, and have involved legal theories ranging from price-fixing and unfair competition to defective products and medical monitoring.
More
- Fellow of the American College of Trial Lawyers
- Consistently ranked in Chambers USA, including in Intellectual Property: Patent Litigation, California
- The Best Lawyers in America, 2024-2026
- 500 Leading Litigators in America, Lawdragon, 2024-2025
- Top 100 Lawyers in California, Daily Journal
- Top Intellectual Property Lawyers in California, Daily Journal; The Daily Journalreported that he obtained the largest plaintiffs’ verdict in California in 2006 and one of the top 10 defense verdicts in California in 2008
- Attorney of the Year, The Recorder, 2010
- Chair of the Chair’s Council for the Division of Chemistry and Chemical Engineering, Caltech
- Member, Information Science and Technology Advisory Council, Caltech
- Member, board of trustees, Polytechnic School
- Former member, Committee on Science, Technology and Law of the National Academies of Sciences, Engineering and Medicine
- Former board member, Teach Democracy (f/k/a Constitutional Rights Foundation)
- Former board member, Coro Southern California
- Former board member, Pasadena Playhouse
