Paul O'Connor is partner in the law firm of O'Connor, Parsons, Lane, & Noble which is listed as a Best Law Firm by US News & World Report. Paul specializes in plaintiff personal injury law, with a significant emphasis in plaintiff medical malpractice matters. In that regard, Paul has represented plaintiffs in cases ranging from birth related injuries to wrongful death as a result of medical negligence. Paul's representation has resulted in numerous multi-million dollar recoveries for his clients.

As reported in The New Jersey Law Journal, Paul was co-counsel on a wrongful birth case which resulted in a verdict of $28 miilion dollars. Paul also tried another wrongful birth case in Alabama which resulted in a settlement of $8 million dollars. He also received a verdict of $10.5 million dollars on a failure to diagnose skin cancer case in Union County and $4.6 million for a child suffering from cerebral palsy.

In the spring of 2015, Paul O'Connor became a fellow of the American College of Trial Lawyers and is listed in "Best Lawyers in America", and New Jersey Monthly Magazine's Super Lawyers (2006 - present).