Jeffrey T. Thomas - Gibson, Dunn & Crutcher LLP
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Jeffrey T. Thomas

Listed in Best Lawyers since 2009
Phone: 949-451-3967

Jeffrey T. Thomas, a partner in the Orange County office of Gibson, Dunn & Crutcher LLP, joined the firm in 1983.  A member of the firm’s Litigation Department and its IP and Antitrust and Competition Practice Groups, Mr. Thomas has extensive experience in antitrust, patent, unfair competition and general commercial litigation. 

Mr. Thomas is an experienced trial lawyer who has successfully handled numerous significant intellectual property and complex business cases.  He has represented major clients of the firm in patent and trade secret litigation, including trials that resulted in verdicts in favor of the firm’s clients.  He is a co-author of Ross, Intellectual Property Law, Damages and Remedies (Law Journal Press, 2000).  Mr. Thomas has also successfully represented clients of the firm in antitrust, breach of contract and business tort cases.  He recently served as lead trial counsel for Hewlett-Packard Co. in a significant matter against Oracle Corp. in which HP achieved a complete victory after trial.

Mr. Thomas was named to the Daily Journal’s 2010 75 Leading IP Litigators.  He was selected by the Southern California legal community for the 2009-2013 editions of The Best Lawyers in America®; was recently named one of the Top 50 Lawyers in Orange County by Los Angeles Magazine; and in September 2013 was named one of the Top 100 Lawyers in California by the Daily Journal

Mr. Thomas received a Bachelor of Arts degree in political science from the University of California at San Diego in 1979.  He graduated magna cum laude in 1982 with a law degree from the University of San Diego School of Law, where he served as Comments Editor of the San Diego Law Review.  Prior to joining Gibson, Dunn & Crutcher, Mr. Thomas served as a law clerk to the Honorable Gerald Brown, Presiding Justice of the California Court of Appeal, Fourth District, from 1982 to 1983.

Mr. Thomas is a member of the Board of Visitors of the University of San Diego School of Law and was the 2007-08 President of the School’s Alumni Board of Directors.  He has served as a member of the Board of Directors of the Orange County Business Council and is a current Board member of the Federal Bar Association-Orange County Chapter.  Mr. Thomas is one of the founders of the Bench and Bar Society of the United Way of Orange County, which encourages charitable giving by attorneys in the County, and he is a member of the Advisory Board of Court Appointed Special Advocates, Orange County Chapter.  He is admitted to practice in several federal district courts and circuits, including the Federal Circuit.

University of San DiegoJ.D. University of California - San DiegoBA

Office Location

3161 Michelson Drive
Irvine, CA 92612-4412
United States


Practice Areas

Commercial Litigation
Litigation - Antitrust
Litigation - Intellectual Property