Mark B. O'Connor

Attorney Mark B. O’Connor

An Appellate Lawyer With A Track Record Of Success

Mark B. O’Connor, one the attorneys at Shea & Shea – A Professional Law Corporation, focuses his practice on catastrophic personal injury cases and appellate advocacy. He actively litigates cases on behalf of victims who have suffered serious and life-altering injuries, including traumatic brain injuries, spinal cord injuries, and other major injuries that have affected their quality of life. Many of the cases he handles result in significant monetary damages.

SuperLawyers 2012When these cases result in an appeal, Mr. O’Connor has the ability to handle all aspects of the appeal process himself, from writing briefs to presenting oral arguments before the court. For these reasons and many others, Mr. O’Connor was selected to the Super Lawyers® list from 2007 to 2014. The selection process is rigorous, including a multi-phase rating system, peer nominations, and third-party evaluations. Each potential candidate is evaluated on 12 indicators of professional achievement and recognition.

Prior to joining Shea & Shea – A Professional Law Corporation, Mark was a partner at Clapp, Moroney, Bellagamba and Vucinich. While there, he specialized in representing insurance companies, as well as those they insure, in a wide variety of contexts. In many cases, he represented insurance companies in lawsuits that had been filed against them. He now uses this experience in his current practice at Shea & Shea – A Professional Law Corporation.


Contact our experienced team of attorneys today if you are in need of trusted legal counsel.


Areas of Practice:

  • California
  • U.S. District Court Northern District of California
  • U.S. Court of Appeals 9th Circuit

Bar Admissions:

  • Santa Clara County Bar Association
  • Consumer Attorneys of California
  • American Association for Justice
  • Western Trial Lawyers Association

Published Cases:

  • CITY OF MORGAN HILL, Plaintiff, v. ERNEST C. BROWN et al., Defendants, Cross-complainants, and Respondents; MARGARET A. SELTZER, Defendant, Cross-defendant, and Appellant. (1999) 71 Cal. App. 4th 1114; 84 Cal. Rptr. 2d 361

Unpublished Cases:

AV Peer Review Rated Super Lawyers National Board of Trial Advocacy Litigator Awards - Taking Top 1% of Lawyers

Schedule Your Risk-Free Consultation With an Attorney

Give us a little information to the right, and we'll evaluate your case for free.

Send My Information