Thomas DaMario - McDermott Will & Emery


Thomas DaMario focuses his practice on intellectual property litigation and transactions. Thomas has experience in all phases of litigation—from pre-filing investigations and discovery through trial and appeal. He has been involved in patent infringement cases in various United States district courts, the International Trade Commission and the Patent Trial and Appeal Board. Thomas is experienced in various technical areas, including Internet technologies, wireless and cellular communications, semiconductor chip design and fabrication, power tools, computer and networking systems and mechanical devices.

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  • The Best Lawyers in America, Ones to Watch, Litigation – Intellectual Property, 2023 to 2024


  • The Richard Linn American Inn of Court, member
  • Intellectual Property Law Association of Chicago, member


DePaul University College of Law, JD, 2017
University of Illinois at Urbana-Champaign, BS, Electrical Engineering, 2008


US Court of Appeals for the Federal Circuit
US District Court for the Northern District of Illinois
US District Court for the Eastern District of Texas
US District Court for the Northern District of Texas
US Patent and Trademark Office
Illinois Supreme Court