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USA Guide
Individual Profile

William J O'Shaughnessy

McCarter & English, LLP - Newark

William J O'Shaughnessy - McCarter & English, LLP
  • Four Gateway Center
  • Newark, New Jersey, USA
  • NJ 07102

Profile submitted by William J O'Shaughnessy


Mr. O'Shaughnessy is a trial lawyer concentrating on complex litigation of all kinds, including antitrust, intellectual property, class-action defense, unfair competition and contract disputes. He regularly appears at the trial and appellate levels of the federal and state courts, both in and out of New Jersey, and has been chief counsel in domestic and international arbitrations. He currently handles, or has handled, a wide variety of antitrust cases in New Jersey and elsewhere that involve price-fixing, group boycott, monopolization, resale price maintenance and price discrimination claims. For full bio: