Professional Experience

Thomas F. Brennan is a Senior Counsel of Shumaker & Sieffert.  He is a registered patent attorney with nearly 25 years of patent practice experience and ten years of industry experience as a computer systems engineer. Tom has particular technical expertise in the fields of computer hardware, software and image/signal processing. Tom focuses on patent preparation/prosecution, patent infringement/validity analysis, and patent portfolio engineering.  

Previously, Tom was a Shareholder at Schwegman, Lundberg & Woessner and an Associate at Merchant & Gould.  Tom also worked an Engineer at GE Medical Systems, E-Systems and Sperry Univac (now Unisys).