FacultyFaculty/Author Profile

Don W. Barrett

Barrett Law Office, P.A.

Lexington, MS, USA

LEE E. BARRETT, a retired Administrative Patent Judge (APJ), serves as Of Counsel in the firm's Electrical and Mechanical Patent Prosecution and Patent Reexamination/Reissue groups.  Mr. Barrett joined the firm following a distinguished 32-year career with the United States Patent and Trademark Office (USPTO), most recently as an Administrative Law Judge (ALJ) with the Board of Patent Appeals and Interferences (BPAI). For 16 years, he was responsible for hearing and deciding appeals from decisions of Patent Examiners in applications for patents, for reissue of patents, and in ex parte and inter partes reexamination proceedings.

As an Associate Solicitor he served as the technical and legal expert for the USPTO on the patentability of patent applications involving mathematical algorithms, computer hardware and software, and all complex areas of electrical engineering. He also was a Patentability Review Examiner (Electrical), and a Patent Examiner (Mechanical).

Mr. Barrett began his career as a Senior Mechanical Engineer in the Antenna & Microwave Section at Westinghouse Electric Corporation.

Court Admissions

  • Supreme Court of the United States
  • U.S. Court of Appeals for the Federal Circuit


  • University of Maryland School of Law, J.D.
  • George Washington University, M.S., Electrophysics (Electronics, Fields & Waves); M.S., Communications; M.S., Computer Science (Hardware & Systems)
  • University of Wisconsin-Madison, B.S., Mechanical Engineering

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