Washington, District of Columbia

Patent attorneys in Washington

Washington, District of Columbia is home to 2,626 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 Sterne, Kessler, Goldstein & Fox P.L.L.C., Baker & McKenzie LLP, and King & Spalding.

Robert Edward Duffy

Reg. 68426

Patent attorney

Baker & McKenzie LLP

Washington, DC · 20006

202-452-7000

Janese Y. Duley

Reg. 82865

Patent attorney

King & Spalding

Washington, DC · 20006

202-626-8978

Anthony M. Duncan· Jr.

Reg. 71904

Patent attorney

Nixon Peabody, LLP

Washington, DC · 20001

202-585-8336

Thomas M Dunham

Reg. 39965

Patent attorney

Cherian Harkins Dunham LLP

Washington, DC · 20036

202-838-1567

Andrew L Dunlap

Reg. 60554

Patent attorney

Wenderoth, Lind & Ponack, L.L.P.

Washington, DC · 20005

202-721-8200

Colin P. Dunn

Reg. 76316

Patent attorney

Wilmer Cutler Pickering Hale and Dorr LLP

Washington, DC · 20037

202-663-6295

Imhotep S Durham

Reg. 61466

Patent attorney

Arent Fox LLP

Washington, DC · 20006

202-857-6023

Tracy-Gene G Durkin

Reg. 32831

Patent attorney

Sterne, Kessler, Goldstein & Fox P.L.L.C.

Washington, DC · 20005

202-371-2600

Brian Keith Dutton

Reg. 47255

Patent attorney

Quarles & Brady LLP

Washington, DC · 20006-1806

202-780-2684

Tyler J Dutton

Reg. 75069

Patent attorney

Sterne, Kessler, Goldstein & Fox

Washington, DC · 20005

202-772-8982

Nataliya Dvorson

Reg. 56616

Patent attorney

POLSINELLI PC

Washington, DC · 20005

202-772-8494

Ryan D. Dykal

Reg. 63793

Patent attorney

Boies Schiller Flexner LLP

Washington, DC · 20005

202-274-1109

David Daniel Dzara· II

Reg. 47543

Patent attorney

Department of the Air Force

Washington, DC · 20330

703-601-1291

Jennifer L Dzwonczyk

Reg. 41146

Patent attorney

Mayer Brown LLP

Washington, DC · 20006

202-263-3443

Michael R Dzwonczyk

Reg. 36787

Patent attorney

Sughrue Mion, PLLC

Washington, DC · 20037

202-293-7060

Joseph Francis Ecker

Reg. 77088

Patent attorney

Steptoe LLP

Washington, DC · 20036

202-429-8097

George C. Eckert

Reg. 58892

Patent attorney

Jefferson IP Law, LLP

Washington, DC · 20036

202-293-0804

Joseph F. Edell

Reg. 67625

Patent attorney

Dish Wireless LLC

Washington, DC · 20001

301-392-7718

Gregory L Edlefsen

Reg. 35863

Patent attorney

US Naval Research Laboratory

Washington, DC · 20375

202-767-2915

Karina L Edmonds

Reg. 51644

Patent agent

Department Of Energy

Washington, DC · 20585

Jeremiah A Egger

Reg. 67173

Patent attorney

U.S. Securities and Exchange Commission

Washington, DC · 20549

202-322-1048

Alan M Ehrlich

Reg. 37999

Patent attorney

Stein IP, LLC

Washington, DC · 20005

202-216-9505 X 1103

Eli D Eilbott

Reg. 41730

Patent attorney

Duncan Weinberg Genzer and Pembroke, PC

Washington, DC · 20036

202-467-6370

Carol Peacock Einaudi

Reg. 32220

Patent attorney

Washington, DC · 20007

202-338-5728

Jason Daniel Eisenberg

Reg. 43447

Patent attorney

Sterne, Kessler, Goldstein & Fox P.L.L.C.

Washington, DC · 20005

202-371-2600

Nicholas Albert Eitsert

Reg. 78843

Patent attorney

Finnegan, Henderson, Farabow, Garrett & Dunner LLP

Washington, DC · 20001

202-731-4524

Philip J Eklem

Reg. 76490

Patent agent

Reichman Jorgensen Lehman & Feldberg LLP

Washington, DC · 20006

202-894-7451

Immanuel J. Elijah

Reg. 83243

Patent attorney

Morrison & Foerster LLP

Washington, DC · 20037

202-887-1500

Michael P Ellenberger

Reg. 75315

Patent attorney

Rothwell Figg

Washington, DC · 20001

612-987-5528

Sarah Elizabeth Elliott

Reg. 902707

Limited recognition

American University, Washington College of Law

Washington, DC · 20016

240-645-7476

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?

2,626 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.