Principal / Boston / 617-368-2191

Jeffrey J. Barclay

Jeffrey Barclay is a Principal in the Boston office who provides strategic counseling and helps companies build and monetize their intellectual property portfolios.

Along with US and international patent prosecution, he has extensive experience building global patent portfolios, licensing technologies and assisting with litigation matters. Representative clients include Fortune 100 corporations, mid-sized companies, and early-stage and venture-backed companies. Mr. Barclay also has experience in multiple reexams and IPR’s.
Jeffrey has worked with clients across a broad range of technologies, including software and computer engineering, signal processing, telecommunication, medical devices, wireless devices and other electromagnetic based systems, imaging devices, analog and digital circuitry, consumer products, and financial services.

Jeffrey’s prosecution experience includes preparation and prosecution of patent applications, due diligence investigations, patentability and freedom to operate opinions, and inter partes and ex parte reexamination proceedings. Hundreds of patent applications across a wide range of technologies have been drafted and prosecuted.

He also helps clients protect, defend, and monetize their intellectual property assets by leveraging his technical background to develop effective licensing and litigation strategies.

Mr. Barclay started his career as an electrical engineer for over ten years with the Naval Undersea Warfare Center in Newport, RI. Along with serving as an electrical engineer in the Submarine Electromagnetic Systems Department, he also served as an electrical engineer in the Submarine Sonar Department. While attending Northeastern University, Mr. Barclay was a Research Assistant at the Radar Systems Laboratory within the Electromagnetic Research Center.



J.D., Franklin Pierce Law Center 2001

M.S., Northeastern University 1994
Electrical Engineering

B.S., Northeastern University 1990
Electrical Engineering
cum laude



  • U.S. Patent and Trademark Office 2001
  • Massachusetts 2002


Other Distinctions

Mr. Barclay was named to “The Legal 500” The Client’s Guide to the US Legal Profession, in 2009-2012, 2015 Editions for Patent Prosecution.

Recognized in Who’s Who Legal Patents Lawyers (2016).

Recognized with eleven Performance and Achievement Awards while with the Naval Undersea Warfare Center.

Presented the 1989 Cleveland Award for Outstanding Student in Electrical Engineering at Northeastern University.


Selected Publications

Barclay J., “Radar Cross Section Computational Modeling and Experimental Measurements of Various Submarine Masts,” Naval Undersea Warfare Center Technical Report #10964, 30 June 1998.

Barclay J., “Radar Cross Section Computational Modeling for the High-Data-Rate Mast,” Naval Undersea Warfare Center Technical Report #10814, 1 September 1997.

Barclay J. “Simulated Metallic Structures for use in Radar Measurements,” Proceedings of the 1996 International Mechanical Engineering Conference, Application of Metallic Materials in advanced Engineering Systems Session, November 1996.

Keith W., Barclay J., “Effects of a Large Eddy Breakup Device on the Fluctuating Wall Pressure Field,” Journal of Fluids Engineering, 115, September 1993.

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