David L. De Bruin

David L. De Bruin appellate attorney patent litigation USPTO Honigman Chicago
Of Counsel
Organization Profile
Professional Biography

Mr. De Bruin is a seasoned first-chair trial and appellate attorney. He concentrates his practice on patent litigation and related proceedings before the United States Patent and Trademark Office. Mr. De Bruin successfully argues legal issues, as well as explain the most complex technology to judges and juries.

  • Tries patent cases in a variety of venues before judges and juries and has successfully argued numerous patent cases before the Federal Circuit Court of Appeals
  • Represents clients in a wide array of technology ranging from mechanical and electrical devices to biological and chemical patents
  • Advises on non-patent business litigation, including securities fraud, RICO, insolvency and telecommunications fraud
  • Serves as an arbitrator deciding securities claims and IP insurance coverage issues
  • Provides submitted testimony as a Markman expert
  • More Legal and Business Bylines From David L. De Bruin


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