David B. Walker

Patent attorney, USPTO registration number 43976, status Active.

Firm

Barcelo & Harrison, LLP

Location

Washington, DC

On the USPTO roster since

before May 2006

David B. Walker is a USPTO-registered patent attorney (registration number 43976) at Barcelo & Harrison, LLP, in Washington, DC. The registration is active on the current USPTO roster, and David B. Walker has been listed on the roster since before May 2006.

Barcelo & Harrison, LLP has 2 registered patent practitioners on the roster (2 patent attorneys), so David B. Walker works alongside 1 other registered practitioner there.

Washington, DC has 2,644 registered patent practitioners in all: 1,995 patent attorneys and 568 patent agents.

Other registered practitioners in Washington, DC

• Pratik Agarwal — Patent agent, Reg. No. 74208, Rule Garza Howley LLP
• Ankit Aggarwal — Patent agent, Reg. No. 67882, Bookoff McAndrews PLLC
• Umber Aggarwal — Patent attorney, Reg. No. 76098, Finnegan Henderson Farabow Garrett & Dunner L.L.P
• Douglas E. Agopsowicz — Patent attorney, Reg. No. 56792, U.S. Department Of Homeland Security
• Sameer Agrawal — Patent agent, Reg. No. 82558, Bookoff Mcandrews, PLLC
• Christopher K. Agrawal — Patent attorney, Reg. No. 63482, Bookoff Mcandrews, PLLC
• Atiya S. Aguilar — Patent agent, Reg. No. 77212, Finnegan Henderson Farabow Garret & Dunner
• Destiny N. Agulefo — Limited recognition, Reg. No. 901657, Howard University School of Law

All patent attorneys and agents in Washington, DC

Patent firms in District of Columbia · Practitioners by state

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