James Berquist Rimôn Falkenfort

James D. Berquist


Northern Virginia, USA

James D. Berquist (“Jay”) is a partner in Rimon’s Northern Virginia office.  Jay’s practice is centered on intellectual property litigation, with a particular emphasis on patent infringement litigation.  Jay has been lead counsel in over 75 patent infringement litigations throughout more than 30 federal districts including in popular patent districts like the Eastern and Western Districts of Texas, the District of Delaware, and the Northern and Central Districts of California.  Jay’s work has included many different technologies including computer switching systems, chemical formulations of adhesives and release coatings, business form design, optical sensor systems, vending machine controls, industrial filters, electrical distribution systems, furniture design, wireless mesh networks, and various GPS technologies.  Jay has represented clients in numerous Federal Circuit appeals.  Jay’s practice also includes work before the U.S. Patent and Trademark Office’s Patent Trial and Appeal Board and the U.S. International Trade Commission. 

Jay also has prior experience working as a Cooperative Engineer for the Union Electric Company in St. Louis, Missouri, at their Callaway Nuclear Power facility and at General Dynamics in their Fort Worth aerospace defense group, specializing in the field of advanced aircraft development. 

Notably, Jay has lectured at various CLE Seminars on the subject of patent litigation and patent damages.

  • Rimon P.C. (Partner)
  • Davidson Berquist Jackson & Gowdey LLP, Partner 
  • Nixon & Vanderhye PC, Partner 
  • Cushman Darby/Pillsbury Madison, Partner 
James D. Berquist