Mariposa Lawyers

I offer services in the areas of criminal defense, family law, including divorce, child custody, support issues, and guardianships. I also offer services with civil litigation matters and estate plans. I have been in practice for 24 years.

Originally from Brooklyn, New York, I came to Sacramento after 4 years in the U.S. Air Force, including combat service in Southeast Asia. My time in the military and especially my youth in the streets of New York has taught me much about dealing with difficult situations. I am grateful for that education and I employ it to help my clients. I wasn't born with a silver spoon and relate well to others who worked their way up. My practice is devoted solely to Personal Injury and Wrongful Death cases on behalf of injured persons. I have never nor will I ever...

Leaders In Personal Injury Litigation In the aftermath of a life-altering injury caused by someone else’s negligent or reckless actions, you and the people you love face many challenges. You will face a grueling recovery process with no guarantee of living the life you once lived. In addition, you will need significant financial resources to compensate you for your medical expenses, lost income, pain and suffering, and other damages. It is important to understand that the lawyer you select in your personal injury claim matters a great deal. For many decades, individuals and families across Oakland, the Bay Area, Central Valley and...

Mr. O’Brien began his legal career in 1990 at one of California's most prestigious law firms, Brobeck, Phleger & Harrison, where he specialized in personal injury and wrongful death cases. In 1996, Mr. O’Brien started his own practice where he has developed an excellent reputation for aggressive advocacy and integrity followed by an impressive history of successful verdicts, arbitration awards and settlements on behalf of his clients. His goal is to make sure injured victims are fully compensated for their losses and that responsible parties are held accountable. With over 29 years of experience, Mr. O’Brien is a...