Douglas I. Lewis

Patent attorney, USPTO registration number 39748, status Active.

Firm

Kelley Drye & Warren LLP

Location

Chicago, IL

On the USPTO roster since

before May 2006

Douglas I. Lewis is a USPTO-registered patent attorney (registration number 39748) at Kelley Drye & Warren LLP, in Chicago, IL. The registration is active on the current USPTO roster, and Douglas I. Lewis has been listed on the roster since before May 2006.

Kelley Drye & Warren LLP has 7 registered patent practitioners on the roster (7 patent attorneys), so Douglas I. Lewis works alongside 6 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

• Ashley M. Cowie — Patent agent, Reg. No. 79868, Michael Best & Friedrich LLP
• Benjamin L. Cox — Patent agent, Reg. No. 83540, The University of Chicago Polsky Center for Entrepreneurship and Innovation
• Pamela L. Cox — Patent attorney, Reg. No. 51584, Marshall ,Gerstein & Borun LLP
• Paul C. Craane — Patent attorney, Reg. No. 38851, Cook Alex LTD
• Lawrence Jay Crain — Patent attorney, Reg. No. 31497, Greer Burns & Crain LTD
• Leah C. Cravitz — Patent agent, Reg. No. 82494
• Philip J. Crihfield — Patent attorney, Reg. No. 25621, Sidley Austin Brown and Wood
• Alexandra E. Criner — Patent attorney, Reg. No. 80076, McDonnell Bohnen Hulbert & Berghoff

All patent attorneys and agents in Chicago, IL

Patent firms in Illinois · Practitioners by state

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