Mark A. Williamson

Mark A. Williamson


Partner, Washington DC

Since joining Fitzpatrick in 1989, Mark Williamson has gained extensive experience in both patent procurement and client counseling in the electrical and mechanical arts. He has worked in various technologies including ink jet and laser printing, photocopying, fluid distribution systems, medical devices and spacecraft launching vehicles. Mark has substantial experience in both domestic and international patent applications and has been involved in various reexaminations, reissues and interferences. 

Prior to joining Fitzpatrick, Mark worked for several years as an Examiner with the U.S. Patent and Trademark Office.

Case Highlight
Mark has had great success in appeals at the PTO, having had almost all appealed rejections reversed.