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Brian A. Sun

Partner-in-Charge Los Angeles


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  • University of Southern California (J.D. 1979; B.A. magna cum laude 1976; Phi Beta Kappa)

Bar Admissions

  • California


  • Law Clerk to the Honorable A. Andrew Hauk, U.S. District Court, Central District of California (1979-1980)

Government Service

  • Chief, Financial Investigations Unit, U.S. Department of Justice (1984-1986) and Assistant U.S. Attorney, Criminal Division, U.S. Attorney's Office, Los Angeles (1982-1986)

Brian Sun has earned a national reputation as a distinguished trial lawyer in complex business litigation and white collar criminal defense. He is a Fellow of the American College of Trial Lawyers and has been named by Lawdragon Magazine as one of America's 500 leading lawyers. Brian is recognized as a Band 1 lawyer by Chambers and listed among the most highly regarded lawyers in the U.S. by Who's Who Legal in the area of business crime defense. He is Partner-in-Charge of the Los Angeles Office.

Brian's litigation practice covers a wide range of areas, including matters involving unfair competition, intellectual property disputes, commercial bribery, public corruption, entertainment, shareholder rights, contractual disputes, and fraud. His clients include Global Fortune 300 institutions and individuals embroiled in high-stakes litigation. Over the years, he has represented such clients as Hon Hai Precision Co. (Foxconn), Mattel, Emerson Electric Co., the City of Los Angeles, and a number of individuals, including former Orange County Sheriff Michael Carona, and Dr. Wen Ho Lee in his successful civil lawsuit against the U.S. government.

Brian is a former president of the National Asian Pacific American Bar Association (NAPABA) and the Los Angeles Regional Foodbank. In 2013, he was honored by NAPABA with its Trailblazer Award and by the Southern California Chinese Lawyers Association with its Lifetime Achievement Award. He also served as a deputy general counsel to the Christopher Commission, which recommended sweeping reforms of the Los Angeles Police Department in the wake of the Rodney King incident.

Honors & Distinctions

  • Chambers USA — Band 1 (2007-present), white collar crime and government investigations, California

    "Most Highly Regarded in U.S.," Who's Who Legal: Business Crime Defence (2014)

    "Defense Lawyer of the Year," Los Angeles County Bar Association, Criminal Justice Section

    "Best of the Best," Los Angeles Business Journal

    "Top 100," Southern California Super Lawyers
Brian Sun