Brendan M. Deckert is an Associate with Marks, O’Neill, O’Brien, Doherty & Kelly. He is admitted to practice in Pennsylvania.

Brendan graduated from Rutgers University – New Brunswick in 2015, with a B.S. in Political Science. He attended and graduated from Rutgers Law School (Camden) in 2020. During law school, he participated in Rutgers Law Review.

Prior to attending law school, Brendan was employed as a paralegal with Marks, O’Neill, O’Brien, Doherty & Kelly. He worked closely with attorneys to prepare discovery and assist in trial preparations, where he gained experience in litigation that involved premises liability, products liability, medical malpractice, motor vehicle accidents, catastrophic losses, construction accidents, and more.

During law school he interned with Plaintiff’s firms where he assisted in various stages of litigation. There he gained experience in assisting attorneys in Multidistrict Litigation involving the National Football League (“NFL”) and large-scale catastrophic injury litigation with the National Collegiate Athletic Association (“NCAA”). He also worked extensively on Consumer Class Action Litigation under the Telephone Consumer Protection Agency (“TCPA”). While his focus was on the aforementioned, he also assisted attorneys with cases that involved catastrophic injuries and other losses suffered in personal injury and general tort liability.

Since joining Marks O’Neill, Brendan has represented clients in a variety of areas and cases involving catastrophic losses, construction defects, construction accidents, subrogation, premises liability, and motor vehicle accidents (including trucking).

He enjoys watching and playing hockey, reading (philosophy, history & fantasy), as well as playing games with friends and family.

Brendan M. Deckert

Phone (215) 832-4225

Brendan M. Deckert PDF


  • J.D., Rutgers Law School – Camden, 2020
  • B.A., Rutgers University – New Brunswick, 2015

Bar Admissions

  • Pennsylvania

Bar Associations

Practice Areas

  • Casualty Group
  • Healthcare & Catastrophic & Excess Loss
  • Construction Accident/Construction Defect
  • Transportation/Trucking

Representative Cases