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

1,039 Profile Views

Jamie Crona

Jan 27, 2026

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

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...

Willie Bradtke

Jan 27, 2026

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

Honestly, I can't thank Thomas P. O'Brien enough for everything they've done for me. They really know their stuff when it comes to Criminal Defense: White-Collar law and it shows in the results. 10/10...

Jamie McGlynn

Jan 27, 2026

Would recommend Thomas P. O'Brien for sure to anyone in Los Angeles needing legal help

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...

Laverne Kunde

Jan 27, 2026

So happy with the results of my case thanks to the hard work of Thomas P. O'Brien and staff

I was really stressed about my case in Los Angeles, but Thomas P. O'Brien made everything so smooth and stress-free. Seriously, the best decision I've made lately was hiring them. They handled every d...

Charlie Kling

Jan 27, 2026

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

If you need a Criminal Defense: White-Collar law lawyer, Thomas P. O'Brien is the one to call. Great job and very responsive team. They kept me in the loop and always had time to explain the details o...