William J. Cassin
Patent attorney, USPTO registration number 65192, status Active.
- Firm
- Benesch Friedlander Coplan & Aronoff LLP
- Location
- Chicago, IL
- On the USPTO roster since
- October 2009
William J. Cassin is a USPTO-registered patent attorney (registration number 65192) at Benesch Friedlander Coplan & Aronoff LLP, in Chicago, IL. The registration is active on the current USPTO roster, and William J. Cassin has been listed on the roster since October 2009.
Chicago, IL has 1,896 registered patent practitioners in all: 1,537 patent attorneys and 303 patent agents.
Other registered practitioners in Chicago, IL
- Glen P. Belvis — Patent attorney, Reg. No. 31735, Belvis Law, LLC.
- S. M. Bennett — Patent agent, Reg. No. 53981, Brinks Gilson & Lione
- David R. Bennett — Patent attorney, Reg. No. 43493, Direction IP Law
- Joseph M. Bennett-Paris — Patent attorney, Reg. No. 47226, Taft Stettinius & Hollister LLP
- Stephen P. Benson — Patent attorney, Reg. No. 60030, Freeborn & Peters LLP
- Ekaterina G. Berezutskaya — Patent attorney, Reg. No. 53984, Greer Burns & Crain LTD
- Joseph J. Berghammer — Patent attorney, Reg. No. 46057, Banner and Witcoff LTD
- Paul H. Berghoff — Patent attorney, Reg. No. 30243, McDonnell Boehnen Hulbert & Berghoff LLP
All patent attorneys and agents in Chicago, IL
Patent firms in Illinois · Practitioners by state
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