Barbara Elizabeth Johnson

Patent attorney, USPTO registration number 31198, status Active.

Firm

Barbara E. Johnson, Esq.

Location

Pittsburgh, PA

On the USPTO roster since

before May 2006

Barbara Elizabeth Johnson is a USPTO-registered patent attorney (registration number 31198) at Barbara E. Johnson, Esq., in Pittsburgh, PA. The registration is active on the current USPTO roster, and Barbara Elizabeth Johnson has been listed on the roster since before May 2006.

Barbara E. Johnson, Esq. 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

• Jenifer Constance Slinskey — Patent attorney, Reg. No. 46064, Thorp Reed and Armstrong LLP
• Jessica A. Smith — Patent agent, Reg. No. 47908, Kirkpatrick & Lockhart LLP
• William Patrick Smith — Patent attorney, Reg. No. 34931, Spilman Thomas & Battle, PLLC One Oxford Center
• Robert J. Sovesky — Patent attorney, Reg. No. 73798, K&L Gates LLP
• Jodie J. Spade — Patent attorney, Reg. No. 70079, Ference & Associates LLC
• Lucas P. Spano — Patent agent, Reg. No. 79506, The Webb Law Firm
• Gary R. Stadelman — Patent attorney, Reg. No. 37734, U. S. States Steel Corporation
• Shannon K. Stauffer — Patent agent, Reg. No. 78517, K&L Gates Center

All patent attorneys and agents in Pittsburgh, PA

Patent firms in Pennsylvania · Practitioners by state

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