B.S., Physics, Western Illinois University, 1967


M.S., Physics, Kansas State University, 1969


J.D., The George Washington University, 1977

Thomas E. Hill


Thomas E. Hill is Of Counsel at Greer, Burns & Crain in Chicago and has over 30 years of experience practicing in the areas of patents, trademarks and copyrights.


Mr. Hill has been involved in various intellectual property disputes in federal and state courts, and has prepared and successfully prosecuted hundreds of patent and trademark applications in the U.S. and abroad.


His IP practice has also involved extensive counseling of a wide range of clients regarding the acquisition, protection and enforcement of intellectual property rights, as well as the avoidance of, and the response to, charges of third parties involving intellectual property.


Mr. Hill has extensive experience in the licensing of intellectual property rights and has served as an expert witness in both state and federal courts regarding IP disputes.


In the U.S. Patent and Trademark Office, Mr. Hill has been involved in patent reissues, appeals and reexaminations and has rendered numerous opinions regarding patentability, validity, infringement and enforceability.

Mr. Hill is registered to practice in Illinois and California.



  • Domestic and international patent prosecution
  • Domestic and international trademark prosecution
  • Intellectual Property Licensing
  • Patent counseling and opinions
  • Patent litigation


Bar Memberships

  • U.S. Court of Appeals for the Federal Circuit
  • U.S. District Court, Western District of Michigan
  • U.S. District Court, Northern District of Illinois
  • U.S. District Court, Central District of Illinois
  • Seventh Federal Circuit Court of Appeals
  • Supreme Court of Illinois
  • U.S. Patent and Trademark Office


Professional Associations

  • Intellectual Property Law Association of Chicago
  • American Intellectual Property Law Association


Example Technical Fields

  • Agricultural Machines and Equipment
  • Gasoline and Diesel Engines and Turbines
  • Electronic Circuits and Systems
  • Computers and Control Systems
  • Irrigation and Water Distribution Systems
  • Energy Devices such as Solar Cells, Batteries and Reactors
  • Scientific Devices
  • Telecommunications
  • Internet Applications and Business Methods
  • Semiconductors
  • Video Displays and Television Systems
  • Electro-Mechanical Devices
  • Machines and Mechanical Devices