Thomas P. O'Brien

4.5 (40 reviews )

Los Angeles California United States

Criminal Defense: White-Collar Litigation - Securities

Recognized in Best Attorney USA since 2016

310-586-7700 Website

About Thomas

Thomas P. O'Brien is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar and Litigation - Securities.Thomas P., who practices law in Los Angeles, California, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Thomas P. is held by other top lawyers in the same geographic and legal practice area.

Thomas P. O'Brien is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar and Litigation - Securities.

Thomas P., who practices law in Los Angeles, California, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Thomas P. is held by other top lawyers in the same geographic and legal practice area.

Practice Areas

Criminal Defense: White-Collar

Litigation - Securities

Education

University of San Diego

Awards & Recognition

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Reviews

4.5 / 5

40 Reviews

1,045 Profile Views

Virginia Heidenreich

Jan 27, 2026

The absolute best in Los Angeles for Criminal Defense: White-Collar law - and I mean that from the bottom of my heart

If you're looking for someone who actually cares and will fight for you, go to Thomas P. O'Brien. They helped me out big time with my Criminal Defense: White-Collar law issue and kept me informed at e...

Danny Hauck

Jan 27, 2026

Professional service and clear communication provided by Thomas P. O'Brien in Los Angeles

Needed help with Criminal Defense: White-Collar law and Thomas P. O'Brien delivered on their promises. They're professional, efficient, and easy to talk to. Good choice for anyone in California lookin...

Jean Harvey

Jan 27, 2026

Five stars for the incredible team at Thomas P. O'Brien in Los Angeles - they are amazing

Best lawyer for Criminal Defense: White-Collar law in Los Angeles. Period. I've seen others, but Thomas P. O'Brien is on another level. They truly care about their clients and work hard to get the bes...

Yvette O'Keefe

Jan 27, 2026

Simply amazing representation from Thomas P. O'Brien's office during my recent legal matter

Cornelius Effertz

Jan 27, 2026

Excellent legal representation provided by Thomas P. O'Brien for my Criminal Defense: White-Collar law case

Super helpful and professional staff at Thomas P. O'Brien's office. Thanks again for everything you did for me! It was a long journey, but you made it much easier with your constant support and legal...