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William J. Voller III


William Voller Photo


Bill Voller is an intellectual property attorney focusing on patent and advertising 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. Bill 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. Bill’s practice also includes representing companies before the National Advertising Division (NAD) and the National Advertising Review Board (NARB) in connection with advertising disputes.

Bill is 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 medical devices, LED and retrofit devices, RFID devices, graphics processing systems, communication systems, integrated circuits and mechanical devices.

Bill’s practice also includes counseling clients in connection with the development, acquisition, licensing and transfer of IP and technology, and frequently is asked to qualify risk and resolve IP issues arising in connection with corporate mergers and acquisitions.

Bill has served as an adjunct IP professor at Chicago-Kent College of Law since 2017.

  • Polish American Association's State of the Community
  • IPLAC IP Law Symposium 2015
  • Illinois State Bar Association 2012 Cyberlaw Symposium


  • Chicago-Kent College of Law, 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


  • Admitted Only in Illinois
  • 美国专利商标局


  • Named in IAM Patent 1000: The World's Leading Patent Professionals in the Illinois Litigation category (2023)
  • Named "Best Lawyer" in Litigation - Intellectual Property and Patent Law, The Best Lawyers in America, published by Woodward White, Inc. (2019-2024)
  • 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