David A. Frey

Patent attorney, USPTO registration number 43618, status Active.

Firm

Klintworth & Rozenblat LLP

Location

Chicago, IL

On the USPTO roster since

before May 2006

David A. Frey is a USPTO-registered patent attorney (registration number 43618) at Klintworth & Rozenblat LLP, in Chicago, IL. The registration is active on the current USPTO roster, and David A. Frey has been listed on the roster since before May 2006.

Klintworth & Rozenblat LLP has 2 registered patent practitioners on the roster (1 patent attorney and 1 patent agent), so David A. Frey works alongside 1 other registered practitioner 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

• Mackenna E. Dunn — Patent attorney, Reg. No. 83667
• Jeffrey P. Dunning — Patent attorney, Reg. No. 50686, Greenberg Traurig, LLP
• Dustin T. Dutchuk — Patent agent, Reg. No. 80147
• Scott M. Dyar — Patent attorney, Reg. No. 73407, McDonnell Boehnen Hulbert & Berghoff LLP
• David H. Dziura — Patent agent, Reg. No. 61045
• Jacob T. Earl — Patent attorney, Reg. No. 79813, Banner Witcoff
• Jonathan Brennan Easter — Patent attorney, Reg. No. 78658, Foley & Lardner, LLP
• Kelly J. Eberspecher — Patent attorney, Reg. No. 48525, Steptoe & Johnson LLP

All patent attorneys and agents in Chicago, IL

Patent firms in Illinois · Practitioners by state

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