John K. Winn
Patent attorney, USPTO registration number 58579, status Active.
- Firm
- Leydig Voit and Mayer LTD
- Location
- Chicago, IL
- On the USPTO roster since
- April 2007
John K. Winn is a USPTO-registered patent attorney (registration number 58579) at Leydig Voit and Mayer LTD, in Chicago, IL. The registration is active on the current USPTO roster, and John K. Winn has been listed on the roster since April 2007.
Leydig Voit and Mayer LTD has 31 registered patent practitioners on the roster (29 patent attorneys and 2 patent agents), so John K. Winn works alongside 30 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
- Eugene F. Friedman — Patent attorney, Reg. No. 25627, Friedman & Friedman, Ltd.
- Leonard Friedman — Patent attorney, Reg. No. 37135, Hahn Loeser & Parks LLP
- David M. Frischkorn — Patent attorney, Reg. No. 32833, McDonnell Boehnen Hulbert & Berghoff LLP
- Catherine M. Fritz — Patent agent, Reg. No. 70635, Husch Blackwell LLP
- Adam J. Fromm — Patent attorney, Reg. No. 59563, Clark Hill PLC
- Eric B. Fuller — Patent agent, Reg. No. 59298
- Jori R. Fuller — Patent attorney, Reg. No. 57628, McDonnell Boehnen Hulbert & Berghoff LLP
- Nathan Joseph Fuller — Patent agent, Reg. No. 77410
All patent attorneys and agents in Chicago, IL
Patent firms in Illinois · Practitioners by state
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