Douglas Eric Ringel

Patent attorney, USPTO registration number 34416, status Active.

Firm

Potomac Law Group, PLLC

Location

Washington, DC

On the USPTO roster since

before May 2006

Douglas Eric Ringel is a USPTO-registered patent attorney (registration number 34416) at Potomac Law Group, PLLC, in Washington, DC. The registration is active on the current USPTO roster, and Douglas Eric Ringel has been listed on the roster since before May 2006.

Potomac Law Group, PLLC has 14 registered patent practitioners on the roster (14 patent attorneys), so Douglas Eric Ringel works alongside 13 other registered practitioners 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

• Stephen T. Boughner — Patent attorney, Reg. No. 45317, Nsip Law
• John R. Boule — Patent attorney, Reg. No. 76202, Jones Day
• Mark I. Bowditch — Patent attorney, Reg. No. 40315
• John J. Bowers — Patent attorney, Reg. No. 57478, Securities and Exchange Commission
• Eric E. Bowman — Patent attorney, Reg. No. 55017, U.S. Nuclear Regulatory Commission
• Jonathan R. Bowser — Patent attorney, Reg. No. 54574, Haynes And Boone LLP
• Eric J. Boyer — Patent agent, Reg. No. 81327, Wilson Sonsini
• William E. Bradley — Patent attorney, Reg. No. 42355, Robinson & Cole LLP

All patent attorneys and agents in Washington, DC

Patent firms in District of Columbia · Practitioners by state

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