John A. Walker
Patent attorney, USPTO registration number 80872, status Active.
- Firm
- Crowell and Moring LLP
- Location
- Chicago, IL
- On the USPTO roster since
- February 2024
John A. Walker is a USPTO-registered patent attorney (registration number 80872) at Crowell and Moring LLP, in Chicago, IL. The registration is active on the current USPTO roster, and John A. Walker has been listed on the roster since February 2024.
Crowell and Moring LLP has 5 registered patent practitioners on the roster (5 patent attorneys), so John A. Walker works alongside 4 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
- 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
- Martin J. Benson — Patent agent, Reg. No. 26839
- Helena O. Berezowskyj — Patent attorney, Reg. No. 81509
- 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
Is this you? Claim your free Wysebridge profile.