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, Nixon Peabody LLP, and U.S. International Trade Commission.

Gelu Comanescu

Reg. 69016

Patent attorney

Washington, DC · 20016

202-754-2064

Claire K Comfort

Reg. 66133

Patent attorney

U.S. International Trade Commission

Washington, DC · 20436

202-205-2160

Mark Charles Comtois

Reg. 46285

Patent attorney

Duane Morris LLP

Washington, DC · 20004-2166

202-776-7800

Kyle E Conklin

Reg. 59425

Patent attorney

Sterne, Kessler , Goldstein & Fox

Washington, DC · 20005

202-371-2600

Mark J. Consilvio

Reg. 72065

Patent attorney

DENTONS US LLP

Washington, DC · 20006

202-408-3938

Robert Elliott Converse· Jr

Reg. 27432

Patent attorney

Finnegan

Washington, DC · 20001-4413

202-408-4018

James Albert Cooke· III

Reg. 69338

Patent attorney

Nixon Peabody LLP

Washington, DC · 20001-5327

202-585-8326

Remy C. Cooper

Reg. 81942

Patent agent

Quarles & Brady, LLP

Washington, DC · 20006

202-780-2681

Rebekah L Coover

Reg. 68147

Patent attorney

Washington, DC · 20002

703-999-2070

Ruffin B Cordell

Reg. 33487

Patent attorney

Fish & Richardson P.C.

Washington, DC · 20005

202-783-5070

Barbara M Corkery

Reg. 41019

Patent attorney

Naval Sea Systems Command

Washington, DC · 20376

202-781-3520

Thomas Anthony Corrado

Reg. 42439

Patent attorney

Arent Fox LLP

Washington, DC · 20006-5344

202-350-3776

Catherine C. Corser

Reg. 78188

Patent attorney

Finnegan Henderson Farabow Garrett & Dunner, LLP

Washington, DC · 20001

202-408-6052

Shruti Singh Costales

Reg. 56333

Patent attorney

Shruti Law PLLC

Washington, DC · 20006

888-495-9510

Jeffrey L Costellia

Reg. 35483

Patent attorney

Nixon Peabody LLP

Washington, DC · 20001

202-585-8000

Ashlynn Brittney Cottoy

Reg. 902861

Limited recognition

Howard University School of Law

Washington, DC · 20008

347-938-8317

Joel D Couenhoven

Reg. 68848

Patent attorney

Fish & Richardson

Washington, DC · 20024

202-783-5070

John Norris Coulby· III

Reg. 43565

Patent attorney

Quarles and Brady, LLP

Washington, DC · 20006

202-372-9518

Jonathan M Cousin

Reg. 66418

Patent attorney

Cooley, LLP

Washington, DC · 20004-2400

202-842-7800

Caitlin T Coverstone

Reg. 81980

Patent agent

Finnegan

Washington, DC · 20001

202-408-4129

John M Covert

Reg. 38759

Patent attorney

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

Washington, DC · 20005

202-371-2600

Alexander R. Covington

Reg. 74533

Patent attorney

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

Washington, DC · 20005

202-772-8749

Lisa M Coward

Reg. 44091

Patent agent

Milbank,Tweed, Hadley & McCloy LLP

Washington, DC · 20006

202-835-7500

Seth Cowell

Reg. 42443

Patent attorney

Wilson Sonsini Goodrich & Rosati

Washington, DC · 20006

202-791-8015

Charles T. Cox· Jr.

Reg. 72880

Patent attorney

WilmerHale LLP

Washington, DC · 20037

202-663-6764

Ryan P Cox

Reg. 71444

Patent attorney

Squire Patton Boggs (US) LLP

Washington, DC · 20037

202-457-7529

Patrick Joseph Coyne

Reg. 31821

Patent attorney

Patrick J . Coyne, Coyne Consulting PLLC

Washington, DC · 20003-1347

202-256-7792

Sharon E Crane

Reg. 36113

Patent attorney

Haynes and Boone, LLP

Washington, DC · 20006

202-654-4500

Joshua A. Crawford

Reg. 72137

Patent attorney

Washington, DC · 20037

410-440-7686

Timothy P Cremen

Reg. 50855

Patent attorney

Sheppard, Mullin, Richter & Hampton LLP

Washington, DC · 20006

202-747-1900

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.