John F. Petrsoric

Senior Counsel

Personal Profile

Mr. Petrsoric specializes in patent litigation, particularly in the electrical and computing arts. Prior to joining Mishcon, Mr. Petrsoric was Senior Counsel in the New York office of the well-respected Dallas-based litigation boutique McKool Smith where he played a key role in the assertion of Wi-LAN's wireless technology portfolio, including the pioneering patents that are fundamental to Wi-Fi and 4G cellular networks. As a result, the portfolio was licensed at a significant royalty rate to a lion’s share of the wireless communications market. Before joining McKool Smith, Mr. Petrsoric started his legal career at Kenyon & Kenyon, one of the premier intellectual property boutiques in the U.S., and was later associated with the New York office of Goodwin Procter. Throughout his legal career, he has worked on numerous high-profile patent litigations involving some of the most respected companies spanning a wide range of industries, including consumer electronics, telecommunications (including core network traffic management, voice-over-IP technology and wireless communications), semiconductors (including microprocessor and signal processor design), and computer software (including financial industry automation and mobile operating systems). He has litigated and advised clients in all aspects of patent litigation, including infringement, validity, enforceability and the scope of damages.

Mr. Petrsoric attended Rensselaer Polytechnic Institute and Cornell University, where he earned a Bachelors degree and a Masters degree in Electrical Engineering, respectively. He graduated with honors from Fordham University Law School. Prior to going to law school Mr. Petrsoric worked in the Advanced Technology and Development Center at Northrop-Grumman Corporation where he spearheaded design of an advanced commercial signal processor utilizing in excess of forty microprocessors. He also conceptualized, developed and obtained United States Patent No. 5,381,357, entitled "Complex Adaptive Finite Impulse Response Filter."