Harold Pezzner

Of Counsel


Harold Pezzner represents clients in a variety of areas including patent litigation, patent prosecution, patent reissue and reexamination and trademarks in the mechanical arts. Prior to joining the firm, Hal was a patent examiner with the United States Patent and Trademark Office.


Bar Admissions

  • Delaware
  • U.S. Patent and Trademark Office


  • George Washington University Law School, J.D., with honors
  • Pennsylvania State University, B.S.

Court Admissions

  • U.S. Supreme Court
  • U.S. Court of Appeals, Federal Circuit
  • U.S. District Court, District of Delaware


  • American Bar Association
  • American Intellectual Property Law Association (AIPLA)
  • Delaware State Bar Association 
  • Federal Bar Association
  • Philadelphia Intellectual Property Law Association (PIPLA)