Gregory A. Duff
Patent attorney, USPTO registration number 57507, status Active.
- Firm
- Ice Miller LLP
- Location
- Chicago, IL
- On the USPTO roster since
- April 2007
Gregory A. Duff is a USPTO-registered patent attorney (registration number 57507) at Ice Miller LLP, in Chicago, IL. The registration is active on the current USPTO roster, and Gregory A. Duff has been listed on the roster since April 2007.
Ice Miller LLP has 22 registered patent practitioners on the roster (19 patent attorneys and 3 patent agents), so Gregory A. Duff works alongside 21 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
- William J. Cassin — Patent attorney, Reg. No. 65192, Benesch Friedlander Coplan & Aronoff LLP
- Marc A. Cavan — Patent attorney, Reg. No. 51537, Baker & Mckenzie LLP
- Rebecca M. Cavin — Patent attorney, Reg. No. 68444, K & L Gates LLP
- Richard Alan Cederoth — Patent attorney, Reg. No. 31336, Sidley Austin
- Talivaldis Cepuritis — Patent attorney, Reg. No. 20818, Olson & Cepuritis LTD
- Julius C. Chai — Patent agent, Reg. No. 84334
- Jagriti R. Chander — Patent agent, Reg. No. 46610
- Paul A. Chandler — Patent attorney, Reg. No. 40553, Mayer Brown Rowe & Mau, LLP
All patent attorneys and agents in Chicago, IL
Patent firms in Illinois · Practitioners by state
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