Samuel P. Burkholder

Mr. Burkholder is a patent attorney with a wide range of experience in diverse aspects of patent law, including patent preparation and prosecution, opinions, and litigation. His practice is concentrated in the areas of patent prosecution, client counseling, and development of validity and infringement opinions.  Mr. Burkholder has extensive experience in the preparation and prosecution of patent applications, particularly in the chemical and chemical process arts.

Mr. Burkholder’s specific technical expertise includes numerous areas of chemical related subjects, for example, nanotechnology, preparation of nanosized materials, automobile emission control systems, catalysts, polymers, propellants and coatings.

Mr. Burkholder was a partner in various law firms in the Washington, DC area.  He lectured for several years at the Cushman Intellectual Property Seminar while associated with the Pillsbury Winthrop law firm.

Before entering private practice, Mr. Burkholder worked at Johnson Matthey, the world’s largest supplier of automotive emission control catalysts, in various positions including development chemist, technical liaison to the Big Three automakers, and as associate general counsel.  He oversaw development programs for alternate fuels and engines in Brazil and Australia.


  • Temple University, J.D., 1994
  • Purdue University, M.S., Chemistry, 1987
  • Goshen College, B.A., Chemistry, 1980

Bar Memberships

  • District of Columbia
  • Pennsylvania
  • U.S. Patent and Trademark Office (Registration No. 40,541)

Professional Associations

  • American Chemical Society