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, U.S. International Trade Commission, and US Court of Appeals for the Federal Circuit.

Joshua D Horowitz

Reg. 80217

Patent agent

US Court of Appeals for the Federal Circuit

Washington, DC · 20005

919-710-7220

Matthew H. Horton

Reg. 72424

Patent attorney

Foley & Lardner LLP

Washington, DC · 20007

202-295-4016

Xufeng Hou

Reg. 800130

Limited recognition

Sughrue Mion, PLLC

Washington, DC · 20006-1811

202-663-7917

Connor S Houghton

Reg. 77830

Patent attorney

Reichman Jorgensen Lehman & Feldberg LLP

Washington, DC · 20036

202-894-7315

Kyle W. Howarth

Reg. 82053

Patent agent

Finnegan, Henderson, Farabow, Garrett & Dunner LLP

Washington, DC · 20001

771-202-2938

Brandon Wesley Howell

Reg. 76854

Patent attorney

Paul Hastings LLP

Washington, DC · 20036

202-551-1741

Jeffrey J Howell

Reg. 46402

Patent attorney

Washington, DC · 20036

202-293-0444

Christopher A Hower

Reg. 59308

Patent attorney

Washington, DC · 20036

Christopher C. Howes

Reg. 79544

Patent agent

Finnegan, Henderson, Farabow, Garrett & Dunner LLP

Washington, DC · 20001

202-408-4356

Alexandra E Hoyt

Reg. 80697

Patent agent

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001

202-412-6204

Alfred Francis Hoyte· Jr

Reg. 33512

Patent agent

Washington, DC · 20012

202-723-2021

Peter T Hrubiec

Reg. 78162

Patent attorney

Bookoff McAndrews PLLC

Washington, DC · 20006

202-808-3941

Joseph P Hrutka

Reg. 53918

Patent attorney

Washington, DC · 20035

202-429-0020

Joseph Hsiao

Reg. 51822

Patent attorney

U.S. Department of the Interior

Washington, DC · 20240

202-219-1651

Thomas W Hsieh

Reg. 70540

Patent attorney

Arent Fox LLP

Washington, DC · 20036

202-350-3625

Bryan K. Hsu

Reg. 72762

Patent attorney

Sterne, Kessler, Goldstein & Fox PLLC

Washington, DC · 20005

202-772-8912

Jeffrey T Hsu

Reg. 45373

Patent attorney

U.S. International Trade Commission

Washington, DC · 20436

202-205-2579

John K Hsu

Reg. 45563

Patent attorney

Schiff Hardin LLP

Washington, DC · 20001

202-778-6467

Lee Hsu

Reg. 39716

Patent attorney

Hunton & Williams LLP

Washington, DC · 20037

202-955-1995

Geng Hua

Reg. 82659

Patent attorney

Cozen O'Connor P.C.

Washington, DC · 20036

202-280-6505

Chenxin Huang

Reg. 903227

Limited recognition

The George Washington University School of Law

Washington, DC · 20052

202-361-3870

Hsin-Yuan Huang

Reg. 71647

Patent attorney

Sheppard Mullin Richter & Hampton LLP

Washington, DC · 20006

202-747-3260

Sam Huang

Reg. 48430

Patent attorney

Washington, DC · 20010

202-997-8555

Emma K. Huckestein

Reg. 83826

Patent agent

Morrison Foerster

Washington, DC · 20037

202-887-6932

Parker B Hudson

Reg. 80698

Patent attorney

Faegre Drinker Biddle & Reath LLP

Washington, DC · 20005

202-230-5262

Karl A Hudspith

Reg. 78329

Patent attorney

Wilson, Sonsini, Goodrich & Rosati

Washington, DC · 20006-3817

202-973-8800

James P. Hughes

Reg. 64940

Patent attorney

U.S. Department of Justice - Civil Division

Washington, DC · 20530

202-616-3788

Panyin A Hughes

Reg. 55288

Patent agent

U.S. International Trade Commission

Washington, DC · 20436

202-205-3042

Scott A Hughes

Reg. 68385

Patent agent

Hogan Lovells US LLP

Washington, DC · 20004

202-637-3659

William G Hughes· Jr

Reg. 46112

Patent attorney

Brake Hughes Bellermann PLC

Washington, DC · 20006

202-470-6452

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.