Tyler J. O'Brien

  • In the news

Tyler O’Brien’s practice focuses on high-stakes commercial litigation and white collar criminal defense. Before joining Larson LLP, he served as a law clerk for federal judges at both the trial and appellate levels. In those roles, Tyler worked on numerous complex civil and criminal cases, garnered insight into judicial decision making, and honed his legal research and writing skills.

Tyler graduated from the University of California, Los Angeles School of Law, where he served on the Moot Court Honors Board. While pursuing his J.D., Tyler externed for the U.S. Attorney’s Office and the California Department of Justice. Prior to law school, he worked at the U.S. Naval War College conducting research on irregular warfare and armed groups. A linguistics enthusiast, Tyler studied Japanese in college and taught it at the U.S. Naval Academy Preparatory School. 

Firm News

Larson LLP signs CA Equal Pay Pledge

The firm joins California First Partner Jennifer Siebel Newsom and the California Commission on the Status of Women and Girls in their campaign, Equal Pay CA, to close the state's pay gap.

Benchmark Litigation

Larson LLP shortlisted for "Firm of the Year"

Larson LLP is one of seven Los Angeles firms recognized as finalists for Benchmark Litigation’s 2021 "Firm of the Year" award.

Los Angeles Business Journal

Larson LLP named among L.A.’s most admired firms

Larson LLP is recognized as one of the “Most Admired Law Firms: L.A.’s Top Firms to Work For” of 2020 for consciously working toward creating a diverse, positive, and supportive environment to help drive the firm’s success.

Firm News

John Lee and Tyler O’Brien join the firm

Larson O'Brien is pleased to announce that John Lee and Tyler J. O’Brien joined the firm as associates on Sept. 8, 2020.


    University of California, Los Angeles School of Law, J.D.

    University of Edinburgh, B.A.


    Hon. Deborah L. Cook
    U.S. Court of Appeals for the Sixth Circuit

    Hon. Samuel H. Mays, Jr.
    U.S.D.C. Western District of Tennessee


    U.S. Court of Appeals for the Sixth Circuit