Duane Arthur Stewart, III

Patent attorney, USPTO registration number 54468, status Active.

Firm

Buchanan Ingersoll & Rooney PC

Location

Pittsburgh, PA

On the USPTO roster since

before May 2006

Duane Arthur Stewart, III is a USPTO-registered patent attorney (registration number 54468) at Buchanan Ingersoll & Rooney PC, in Pittsburgh, PA. The registration is active on the current USPTO roster, and Duane Arthur Stewart has been listed on the roster since before May 2006.

Buchanan Ingersoll & Rooney PC is listed with one registered practitioner on the current roster.

Pittsburgh, PA has 348 registered patent practitioners in all: 281 patent attorneys and 65 patent agents.

Other registered practitioners in Pittsburgh, PA

• Heather L. Dieterich — Patent agent, Reg. No. 81079
• Alan M. Doernberg — Patent attorney, Reg. No. 27781, Thermo Fisher Scientific Inc.
• Charles H. Dougherty, Jr — Patent attorney, Reg. No. 42494, Carnegie Mellon University
• Michael T. Duckworth — Patent attorney, Reg. No. 62703, K&L Gates LLP
• Michael E. Dukes — Patent attorney, Reg. No. 59878, Cohen & Grigsby PC
• David A. Dumont — Patent attorney, Reg. No. 72814, United States District Court for the Western District of Pennsylvania
• Sammy George Duncan, Jr — Patent attorney, Reg. No. 46675, The Webb Law Firm
• Eugene Francis Dwyer — Patent agent, Reg. No. 22418

All patent attorneys and agents in Pittsburgh, PA

Patent firms in Pennsylvania · Practitioners by state

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