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 Finnegan, Henderson, Farabow, Garrett & Dunner, LLP, Massey & Gail LLP, and Nixon Peabody, LLP.

Christopher Laurence May

Reg. 53286
Patent agent

Massey & Gail LLP

Washington, DC · 20024

202-643-2712

David L. May

Reg. 58760
Patent attorney

Nixon Peabody, LLP

Washington, DC · 20001

202-585-8000

Timothy James May

Reg. 41538
Patent attorney

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001-4413

202-408-4447

Robert S Mayer

Reg. 38544
Patent attorney

Potomac Law Group

Washington, DC · 20004

646-820-0206

Shawn-Marie Mayrand

Reg. 48986
Patent agent

Heller Ehrman LLP

Washington, DC · 20036-3001

202-912-2160

Eli Mazour

Reg. 59318
Patent attorney

Foley & Lardner LLP

Washington, DC · 20007

202-295-4090

Roland G McAndrews

Reg. 41450
Patent attorney

Bookoff McAndrews, PLLC

Washington, DC · 20037

202-808-3550

Timothy P McAnulty

Reg. 56939
Patent attorney

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001

202-408-4348

Madeline Coleman McCabe

Reg. 902712
Limited recognition

American University, Washington College of Law

Washington, DC · 20016

772-812-7360

Corey S. G. McCaffrey

Reg. 70690
Patent attorney

Afiniti

Washington, DC · 20006

202-695-3791

Luke J. McCammon

Reg. 70691
Patent attorney

Finnegan, Henderson, Farabow,

Washington, DC · 20001

202-408-4273

Clifton E McCann

Reg. 29565
Patent attorney

FisherBroyles, LLP

Washington, DC · 20005

202-495-1192

James V. McCann

Reg. 83428
Patent agent

Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C.

Washington, DC · 20004

202-434-7315

Steven McCann

Reg. 34958
Patent attorney

Washington, DC · 20003-0249

202-479-1248

Christine Hoeft McCarthy

Reg. 41844
Patent attorney

Barnes & Thornburg LLP

Washington, DC · 20006

202-371-6371

Neil M McCarthy

Reg. 43435
Patent attorney

Knobbe Martens Olson and Bear LLP

Washington, DC · 20006

202-640-6400

Patrick J McCarthy

Reg. 62762
Patent attorney

Goodwin Procter LLP

Washington, DC · 20036

202-346-4000

Linzy T. McCartney

Reg. 61886
Patent attorney

Facebook

Washington, DC · 20004

240-643-0691

Sophia M. McClain

Reg. 84053
Patent agent

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001

202-408-4415

James S McClellan

Reg. 60568
Patent agent

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001

202-408-4000

Brendan N McCommas

Reg. 73119
Patent agent

Dinsmore & Shohl

Washington, DC · 20005

202-372-9127

Joshua G McCoy

Reg. 70307
Patent attorney

Sterne, Kessler, Goldstein & Fox

Washington, DC · 20005

202-772-8869

David J McCrosky

Reg. 56232
Patent attorney

United IP Counselors LLC

Washington, DC · 20037

703-599-2565

Barbara Clarke McCurdy

Reg. 32120
Patent attorney

Finnegan, Henderson, Farabow, Garrett

Washington, DC · 20001-4413

202-408-4000 X4047

Brenden G. McDearmon

Reg. 76260
Patent agent

Washington, DC · 20001

202-344-4629

James S McDonald

Reg. 44229
Patent attorney

Morgan, Lewis & Bockius, LLP

Washington, DC · 20004

212-309-6719

Leslie Ann McDonell

Reg. 34872
Patent attorney

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001-4413

617-646-1650

Ryan V McDonnell

Reg. 76982
Patent attorney

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001

202-408-4167

Colleen H McDuffie

Reg. 43788
Patent attorney

Orrick Herrington & Sutcliffe LLP

Washington, DC · 20037

212-506-5304

Michael J McDuffie

Reg. 59446
Patent attorney

Washington, DC · 20007

434-989-1788

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.
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