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William J. Voller III


William Voller Photo


William J. Voller is an intellectual property attorney focusing on patent litigation and counseling. He has successfully represented patent owners and accused infringers in federal district court and the U.S. International Trade Commission through all stages of litigation, including trial. William has also successfully represented parties on appeal at the U.S. Court of Appeals for the Federal Circuit and counseled clients regarding Covered Business Method patent proceedings before the U.S. Patent Trial and Appeal Board.

He is also a registered patent attorney and has prepared and prosecuted patent applications before the U.S. Patent and Trademark Office across a variety of technologies including LED and retrofit devices, RFID devices, graphics processing systems, communication systems, integrated circuits, medical devices, and mechanical devices. William's practice also includes patent, trademark, and software licensing, trademark prosecution, and IP due diligence in corporate transactions.


  • Chicago-Kent College of Law, Illinois Institute of Technology, 法学博士, with honors, Certificate in Intellectual Property
  • University of Notre Dame, 学士, Electrical Engineering


  • 美国联邦巡回法院上诉法院
  • 美国伊利诺伊州北部地区地方法院
  • U.S. District Court for the Eastern District of Texas


  • 伊利诺伊州
  • 美国专利商标局


  • Named "Best Lawyer" in Litigation - Intellectual Property and Patent Law, The Best Lawyers in America, published by Woodward White, Inc. (2019-2022)
  • Named “Illinois Rising Star” in Intellectual Property Litigation by Thomson Reuters (2013-2014, 2017-2020)


  • Member, American Intellectual Property Law Association
  • Member, American Bar Association
  • Member, Illinois State Bar Association
  • Member, Intellectual Property Law Association of Chicago
  • Member, Associate Board, Lawyers for the Creative Arts