Mathew Rosengart is widely regarded as one of the nation’s top litigators. Described by major outlets as a “heavyweight attorney” and “Hollywood’s King of Litigators,” he has represented high-profile clients such as Sean Penn, Kenneth Lonergan, and Fortune 20 company Verizon. A former federal prosecutor, Mathew has been recognized as California Lawyer Attorney of the Year, a Top 100 Lawyer by the Daily Journal, and Entertainment Litigator of the Year at the 2024 Benchmark Litigation Awards.
Mathew has also been listed in The Best Lawyers in America and named to Forbes’ inaugural list of America’s Top 200 Lawyers in 2024, which highlights leaders in the field for their integrity, influence, and advocacy. He has won notable cases, including a $6 million ruling for Lonergan, a $14 million trial verdict for Sandton Capital, and the complete dismissal of claims against his client in a high-profile NLRB case. Mathew has also secured high-stakes victories in cases involving Credit Suisse and Verizon.
Renowned for his sharp legal mind and principled approach, Mathew has earned praise from former colleagues and clients alike, including former Supreme Court Justice David Souter, who lauded his intelligence and integrity
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