Sean Joseph Barnes
Limited recognition, USPTO registration number 902817, status Active.
- Firm
- DePaul University College of Law
- Location
- Chicago, IL
- On the USPTO roster since
- October 2025
Sean Joseph Barnes is a USPTO-registered Limited recognition (registration number 902817) at DePaul University College of Law, in Chicago, IL. The registration is active on the current USPTO roster, and Sean Joseph Barnes has been listed on the roster since October 2025.
DePaul University College of Law has 11 registered patent practitioners on the roster (2 patent attorneys), so Sean Joseph Barnes works alongside 10 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
- Richard Eugene Dick — Patent attorney, Reg. No. 27778, McAndrews Held & Malloy LTD
- Matthew S. Dicke — Patent attorney, Reg. No. 58819, K&L Gates LLP
- Chad A. Diehl — Patent attorney, Reg. No. 64763, Mayer Brown LLP
- Azuka C. Dike — Patent attorney, Reg. No. 68497, Banner & Witcoff LTD
- Grant A. Dingledine — Patent agent, Reg. No. 73469, Scientific Games
- Xavier P. Diokno — Patent attorney, Reg. No. 62794, Huron Consulting Group
- Louis Disanto — Patent attorney, Reg. No. 51331, Banner & Witcoff LTD
- Rebecca S. Dise — Patent agent, Reg. No. 65111, Leydig Voit & Mayer LTD
All patent attorneys and agents in Chicago, IL
Patent firms in Illinois · Practitioners by state
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