Areas of Practice
  • American University, Washington College of Law, J.D., cum laude, 2013
  • Massachusetts Institute of Technology, B.S., Mechanical Engineering, 2008
Bar & Court Admissions
  • Virginia (practicing under the direct supervision of an active member of the District of Columbia Bar)
  • US Patent and Trademark Office
  • Court of Appeals for the Federal Circuit

Katherine D. Cappaert

1330 Connecticut Avenue, NW
Washington DC 20036
TEL: +1 202 429 6252
FAX: +1 202 429 3902

Katherine (Kate) Cappaert handles patent validity challenges before the Patent Trial and Appeal Board (PTAB) in inter partes review and covered business method review proceedings at the US Patent and Trademark Office, patent litigation in district courts, and Section 337 investigations before the US International Trade Commission.

Ms. Cappaert has second-chaired numerous oral arguments before the PTAB and served as the lead associate in a copyright infringement litigation. She represents clients in cases involving a wide range of technologies, including consumer electronics and smartphones, cloud and distributed computing systems, pharmaceuticals, and electrical, mechanical, and geo-physical technologies.

Before launching her legal career, Ms. Cappaert was a mechanical design engineer at a global document solutions and technology company.