John Walter Kozak

Patent attorney, USPTO registration number 25117, status Active.

Firm

Leydig Voit and Mayer LTD

Location

Chicago, IL

On the USPTO roster since

before May 2006

John Walter Kozak is a USPTO-registered patent attorney (registration number 25117) at Leydig Voit and Mayer LTD, in Chicago, IL. The registration is active on the current USPTO roster, and John Walter Kozak has been listed on the roster since before May 2006.

Leydig Voit and Mayer LTD has 31 registered patent practitioners on the roster (29 patent attorneys and 2 patent agents), so John Walter Kozak 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

• Noemi Bartolo — Limited recognition, Reg. No. 902818, DePaul University College of Law
• Sara J. Bartos — Patent attorney, Reg. No. 51439, Immigration Attorneys. LLP
• Christen E. Barua — Patent agent, Reg. No. 61793
• Robert J. Barz — Patent agent, Reg. No. 74363, K&L Gates LLP
• Nicole A. Bashor — Patent attorney, Reg. No. 68573, Quarles & Brady
• Levie M. Basok — Patent attorney, Reg. No. 79531, Von Briesen & Roper, S.C.
• Thomas C. Basso — Patent attorney, Reg. No. 46541, K&L Gates LLP
• Timothy R. Baumann — Patent attorney, Reg. No. 40502, Fitch Even Tabin & Flannery LLP

All patent attorneys and agents in Chicago, IL

Patent firms in Illinois · Practitioners by state

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