District of Columbia

Patent attorneys in District of Columbia

District of Columbia hosts 2,661 active patent practitioners registered with the USPTO Office of Enrollment and Discipline. Patent attorneys and patent agents can both prepare and file patent applications, but only patent attorneys can also offer legal advice on prosecution strategy, freedom-to-operate analyses, and infringement opinions in District of Columbia. Practitioners are concentrated across 20 cities, with the largest clusters in the metros listed below. Notable firms with multiple registered practitioners in the state include Sterne, Kessler, Goldstein & Fox P.L.L.C., Law Office of Gregory Duffey, and Baker & McKenzie LLP.

Top cities in District of Columbia

All practitioners in District of Columbia

Gregory A Duffey

Reg. 42501

Patent attorney

Law Office of Gregory Duffey

Washington, DC · 20004

202-204-3038

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

Kenneth J Dyer

Reg. 52845

Patent attorney

Dickinson Wright

Washington, DC, DC · 20006

408-701-6170

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

Jeremy J. Edwards

Reg. 60982

Patent attorney

Procopio, Cory, Hargreaves & Savitch LLP

Washngton, DC · 20036

202-830-0540

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

Common questions

Do I need a patent attorney based in District of Columbia?

No. Every USPTO-registered patent practitioner is licensed to file applications on behalf of inventors in any state, regardless of where the practitioner's office is. Choosing a District of Columbia-based practitioner can simplify in-person inventor signings, local meetings, and same-time-zone calls, but it is not a legal requirement.

How many patent attorneys are licensed in District of Columbia?

2,661 active USPTO-registered patent practitioners list a District of Columbia office address on the OEDCI roster. This includes both patent attorneys (who can also offer legal advice) and patent agents (who can prepare and file patents but not offer broader legal advice).

What is the difference between a patent attorney and a patent agent?

Both pass the USPTO Patent Bar and can prepare, file, and prosecute patent applications. Only patent attorneys also hold a state bar license, meaning they can additionally offer legal advice on infringement, licensing, and litigation strategy. Patent agents tend to charge less per hour and are common at large in-house IP departments.