Garreth Sarosi



[email protected]

3333 Lee Parkway
Suite 460
Dallas, TX 75219
Phone: (469) 587-7241
Fax: (214) 764-8392

Garreth Sarosi is a Partner at Charhon Callahan Robson & Garza. His practice focuses on litigation and appeals in virtually all subject matters. Mr. Sarosi has represented large corporations in significant disputes, including, but not limited to MetroPCS, as well as several other national and MVN Operators, Nokia, Medtronic, Bombardier, Satyam Computer Services (Tech Mahindra), Reliance subsidiaries, and Dyncorp International, to name a few. Originally exclusively an intellectual property lawyer, Mr. Sarosi now litigates all manner of disputes on behalf of his clients, as well as providing counseling and transactional services.

Mr. Sarosi has litigated patent, trademark, copyright and trade secret disputes in fora around the country, as well a consumer class action, securities class action, false advertising, breach of fiduciary duty, unfair competition, antitrust, regulatory and labor and employment disputes. He also has experience with both government and internal investigations, and law enforcement-related matters like search warrants and subpoenas.

Mr. Sarosi has practiced in both law firms and in in-house settings, formerly serving as General counsel for start-up company (still a client) and as Deputy General Counsel to MetroPCS up to its combination with T-Mobile. That broad experience gives him an almost unique perspective on legal problem solving. Mr. Sarosi has litigated cases in numerous venues across the United States, also including the US International Trade Commission, several Courts of Appeal and the US Supreme court.

Mr. Sarosi also provides transactional and counseling services to his clients, including commercial contracts, Non-compete agreements, non-disclosure agreements, and policy creation, as well as privacy, security and compliance advice. Mr. Sarosi has a particular expertise regarding indemnification.

Mr. Sarosi has taught law as an adjunct professor, and continuing legal education classes, including several times as an invited speaker.

He lives in Dallas with his son, a future rock and roll icon.


J.D., Antonin Scalia Law School at George Mason University
A.B., Princeton University


State of Texas
State of New York
U.S. Supreme Court
U.S. Court of Appeals for the Federal Circuit
U.S. Court of Appeals for the 5th Circuit
U.S. District Court for the Northern District of Texas
U.S. District Court for the Eastern District of Texas
U.S. District Court for the Sourthern District of Texas
U.S. District Court for the Western District of Texas
U.S. District Court for the Southern District of New York
U.S. District Court for the Eastern District of New York