David A. Gass
Patent attorney, USPTO registration number 38153, status Active.
- Firm
- Marshall ,Gerstein & Borun LLP
- Location
- Chicago, IL
- On the USPTO roster since
- before May 2006
David A. Gass is a USPTO-registered patent attorney (registration number 38153) at Marshall ,Gerstein & Borun LLP, in Chicago, IL. The registration is active on the current USPTO roster, and David A. Gass has been listed on the roster since before May 2006.
Marshall ,Gerstein & Borun LLP has 89 registered patent practitioners on the roster (73 patent attorneys and 15 patent agents), so David A. Gass works alongside 88 other registered practitioners there.
Chicago, IL has 1,896 registered patent practitioners in all: 1,537 patent attorneys and 303 patent agents.
Other registered practitioners in Chicago, IL
- Angelo J. Christopher — Patent attorney, Reg. No. 81594, Nixon Peabody LLP
- Daniel Nick Christus — Patent attorney, Reg. No. 29626, Mcdermott Will & Emery LLP
- Michael P. Chu — Patent attorney, Reg. No. 37112, McDermot Will & Emery
- Chia-Hsin Chu — Patent attorney, Reg. No. 63022
- Peter W. Chuang — Patent agent, Reg. No. 67381
- Gregory R. Churney — Patent agent, Reg. No. 78923, Quarles & Brady LLP
- Katherine I. Chwistek — Patent agent, Reg. No. 83076, Hanley, Flight & Zimmerman, LLC
- David L. Ciesielski — Patent attorney, Reg. No. 57432, McDonnell Boehnen Hulbert & Berghoff LLP
All patent attorneys and agents in Chicago, IL
Patent firms in Illinois · Practitioners by state
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