Larson O’Brien LLP litigates and tries complex commercial and white collar cases, regulatory matters, appeals, and international disputes. Our attorneys are among the most experienced and respected trial lawyers in the nation, focusing on high-stakes cases. Regardless of the court, arbitral tribunal, subject matter or amount at stake, our objective is always the same: achieving winning results for our clients.


"California Litigation Stars"

Benchmark Litigation ,

"The firm is without doubt, the finest firm that I have worked with."

Pat Weir President & Chief Executive Officer, Cooner Wire Company

"Criminal Defense: White-Collar Tier 1 Law Firm, Los Angeles"

Best Lawyers U.S. News & World Report ,

Our Attorneys

Our attorneys are some of the most esteemed in the industry and are highly qualified to handle the most complex of cases.