Patrick D. Ertel

Patent attorney, USPTO registration number 26877, status Active.

Firm

Marshall, Gerstein & Borun LLP

Location

Chicago, IL

On the USPTO roster since

before May 2006

Patrick D. Ertel is a USPTO-registered patent attorney (registration number 26877) at Marshall, Gerstein & Borun LLP, in Chicago, IL. The registration is active on the current USPTO roster, and Patrick D. Ertel has been listed on the roster since before May 2006.

Marshall, Gerstein & Borun LLP is listed with one registered practitioner on the current roster.

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 Brian Fournier — Patent attorney, Reg. No. 51696, Perkins Coie LLP
• Deirdre A. Fox — Patent attorney, Reg. No. 59687
• Katherine J. Fox — Patent attorney, Reg. No. 74613
• Jonathan M. Francis — Patent attorney, Reg. No. 72479, Law Office of Jonathan M Francis
• Matthew C. Francis — Patent agent, Reg. No. 80236, Michael Best & Friedrich
• William H. Frankel — Patent attorney, Reg. No. 30337, Crowell & Moring LLP
• Sandra A. Frantzen — Patent attorney, Reg. No. 48799, McAndrews Held and Malloy LTD
• Margaret Clare Frederick — Patent attorney, Reg. No. 66608, K&L Gates LLP

All patent attorneys and agents in Chicago, IL

Patent firms in Illinois · Practitioners by state

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