Larson O’Brien is a trial and appellate firm located in Southern California and Washington, D.C., and practicing across the United States and internationally. With a reputation for achieving results, we proudly offer our expertise in the areas of:

2017 Year in Review

Year in ReviewWe are pleased to share with you a few highlights of the many successes Larson O’Brien LLP earned on behalf of its clients in 2017.


2016 Year in Review

Year in ReviewOne year ago, in January 2016, Stephen G. Larson and Robert C. O’Brien, together with nine accomplished colleagues, established a new boutique law firm focused exclusively on trials, arbitrations, appeals, and investigations.

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