attorney arthur petrousian

Arthur Petrousian

Personal Injury Attorney in Los Angeles, CA

(800) 800-0000 Phone
Los Angeles, CA

Awards & Recognitions

super lawyers - the barnes firm


A native of Southern California, Arthur Petrousian is a trial attorney in the Los Angeles office of The Barnes Firm. He has successfully litigated hundreds of personal injury and wrongful death cases involving motor vehicle accidents, premises liability and products liability. Mr. Petrousian worked closely with Steve Barnes at the law offices of Cellino & Barnes, where he obtained favorable results both in and out of the courtroom, and recovered millions of dollars on behalf of his clients. At The Barnes Firm, he and his team have the resources of a national firm, and they’re committed to advocating for his clients’ rights and ensuring that their interests are fully represented.

Mr. Petrousian obtained his law degree from the University of La Verne and his undergraduate degree in Political Science and Sociology, Law and Society, from the University of California, Davis.


  • Juris Doctorate – University of La Verne, College of Law
  • BA, Political Science; Minor in Sociology, Law and Society – University of California

Bar Admissions

  • The State Bar of California

“The Barnes Firm did an excellent job on my car accident case. Jade was extremely helpful an answering all of my questions.”

Ghyar A.

“The Barnes Firm was very friendly, always quick to respond to our calls and emails. When we had any questions or concerns, they were there to walk us through everything. I would definitely recommend them to anyone that is looking for an attorney that will honestly fight for you and has your best interest in mind.”

Nichole W.

“They handled everything with my accident and got me the maximum amount of money back, more than I thought I would get! Thanks!!”

Philip F.