William J. Cass, Esq., CFI, AGI

Bill holds a mechanical engineering degree from Worcester Polytechnic Institute, where he concentrated in robotics. He is also a certified flight instructor (CFI), holds a commercial multi-engine instrument rating, a Cessna Citation 500 Series Jet SIC rating, and advises clients in aviation-related matters. Bill has spoken on topics concerning intellectual property and products liability internationally at EuroMold, IVA Sweden, Rapid (SME), and also at a White House Symposium on Additive Manufacturing. Bill is also an inventor on a pending patent application involving electronic controls.

An accomplished attorney at Cantor Colburn LLP, Bill's diverse practice includes intellectual property, IP litigation, and products liability litigation. For nearly thirty (30) years, he has tried cases in state and federal courts involving technology. As Co-Chair of Cantor Colburn's Litigation Department for the last fifteen (15) years, he combines his extensive trial experience with his engineering education to present technically complex matters to judges and juries. He has also tried matters before the Patent Trial and Appeal Board. His cases involve complex technology, including medical devices, circuitry, mechanical engineering, material science, chemistry, and computer software. He defended Faro Technologies (Nasdaq:FARO) in a two-week patent infringement jury trial in an action brought by Nikon Metrology N.V. in Federal Court in Boston involving laser scanners. Bill was recently retained in a Springfield gas explosion case (which destroyed several buildings).


Western New England University School of Law, J.D., cum laude, 1988

Worcester Polytechnic Institute, B.S., Mechanical Engineering, 1985

Certified Flight Instructor (CFI)

Commercial multi-engine instrument rated pilot

Advanced Ground Instructor (AGI)

Cessna 500 Series Jet (SIC) Type License