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Washington, District of Columbia

Patent attorneys in Washington

Washington, District of Columbia is home to 2,587 USPTO-registered patent practitioners. Working with a local practitioner can streamline in-person meetings for invention disclosures, signing inventor declarations, and reviewing prior-art search results — but every USPTO practitioner is licensed to practice nationally, so a non-local choice is also valid. Local firms with the most USPTO-registered practitioners include Cahn & Samuels, LLP, DNL ZITO, and Rothwell, Figg, Ernst & Manbeck, P.C..

Warren A Zitlau

Reg. 39085
Patent attorney

Cahn & Samuels, LLP

Washington, DC · 20036

202-331-8777

Joseph J Zito

Reg. 32076
Patent attorney

DNL ZITO

Washington, DC · 20036

202-466-3500

Martin M Zoltick

Reg. 35745
Patent attorney

Rothwell, Figg, Ernst & Manbeck, P.C.

Washington, DC · 20005

202-783-6040

Bruce C Zotter

Reg. 27680
Patent attorney

Bruce C. Zotter, Attorney at Law

Washington, DC · 20016

202-262-5294

Hongling Zou

Reg. 68459
Patent attorney

Cozen O'Connor

Washington, DC · 20036

202-747-0785

David A. Zucker

Reg. 74095
Patent attorney

Latham & Watkins LLP

Washington, DC · 20004

202-637-2200

Jessica L Zurlo

Reg. 71693
Patent attorney

Bradley Arant Boult Cummings LLP

Washington, DC · 20036

202-719-8231

Common questions

Do patent attorneys in Washington cost more than the national average?
Patent attorney fees vary primarily by experience and complexity of the invention, not by city. A typical provisional patent application in the US runs $1,500 to $5,000; a non-provisional utility filing runs $5,000 to $15,000. Hourly rates in Washington tend to track the broader District of Columbia legal market.
How many USPTO practitioners list a Washington office?
2,587 USPTO-registered patent practitioners list a Washington mailing address on the OEDCI roster. You can sort by firm size and contact each directly using the phone numbers shown.
Can I work with a Washington practitioner remotely?
Yes. All filings happen through USPTO's electronic Patent Center — no in-person presence is required. A Washington-based practitioner is convenient for local inventor signings and in-person meetings but not a requirement for representation.
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