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

1,040 Profile Views

Wendell Grimes

Jan 27, 2026

A very good experience overall with the entire team at Thomas P. O'Brien's legal practice

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...

Blake Hyatt

Jan 27, 2026

A very good experience overall with the entire team at Thomas P. O'Brien's legal practice

It's hard finding a reliable lawyer these days, but Thomas P. O'Brien in Los Angeles is definitely one of the good ones. Would use them again if needed without hesitation. They are professional, respo...

Gilberto Baumbach

Jan 27, 2026

Really helpful and compassionate service from everyone at Thomas P. O'Brien's firm

I wasn't sure who to call for my Criminal Defense: White-Collar law problem, but I'm so glad I went with Thomas P. O'Brien. They really listened to me and understood my situation. It was such a relief...

Brent Baumbach

Jan 27, 2026

Really helpful and compassionate service from everyone at Thomas P. O'Brien's firm

Just wanted to say a huge thanks to Thomas P. O'Brien and the staff. They really went above and beyond for me and my family during a very difficult legal battle. We couldn't have done it without their...

Stewart Lebsack

Jan 27, 2026

Solid work and professional service from Thomas P. O'Brien in Los Angeles for California residents