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 Sughrue Mion, PLLC, Finnegan, Henderson, Farabow, Garrett & Dunner, LLP, and Adduci Mastriani and Schaumberg LLP.

Sarah Elizabeth Hamblin

Reg. 48628

Patent attorney

Adduci Mastriani and Schaumberg LLP

Washington, DC · 20036

202-467-6300

Arash Hamidi

Reg. 74010

Patent attorney

Bookoff McAndrews PLLC

Washington, DC · 20006

202-313-7194

Charles D Hammond

Reg. 73287

Patent attorney

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

Washington, DC · 20005

202-772-8551

Austin K Hampton

Reg. 61665

Patent agent

Covington & Burling LLP

Washington, DC · 2004-2401

202-662-5697

Philip G Hampton· II

Reg. 30642

Patent attorney

Polsinelli PC

Washington, DC · 20005

202-791-8792

Newman Jong-Jin Han

Reg. 74347

Patent agent

Cooley LLP

Washington, DC · 20004-2400

202-728-7047

Yuanzhang Han

Reg. 57233

Patent attorney

NSIP Law

Washington, DC · 20036

202-429-0020

Brian William Hannon

Reg. 32778

Patent attorney

Sughrue Mion, PLLC

Washington, DC · 20006

202-293-7060

Donald W Hanson

Reg. 27133

Patent attorney

Krate, Quintos & Hanson LLP

Washington, DC · 20005

202-659-2930

M. Aamir Haq

Reg. 61092

Patent attorney

Foley and Lardner LLP

Washington, DC · 20007

202-672-5394

Lawrence Harbin

Reg. 27644

Patent attorney

Harbin & Hein PLLC

Washington, DC · 20003

202-543-7600

Tyler J Hardman

Reg. 75823

Patent attorney

Sughrue Mion, PLLC

Washington, DC · 20006-1811

202-775-7570

Shahar Harel

Reg. 73203

Patent attorney

U. S. Department of Justice

Washington, DC · 20530

202-305-3075

Rebecca L. Harker

Reg. 65681

Patent agent

McDermott, Will & Emery, LLP

Washington, DC · 20001-1531

202-756-8248

Blaney Harper

Reg. 33897

Patent attorney

Jones Day

Washington, DC · 20001

202-879-3939

Colin J Harrington

Reg. 67051

Patent attorney

Arent Fox LLP

Washington, DC · 20006-5344

202-857-6163

Charles Hillary Harris

Reg. 34616

Patent attorney

Department of the Army

Washington, DC · 20310-0104

703-697-7294

Charles R. Harris

Reg. 79668

Patent attorney

Washington, DC · 20439

202-275-8000

Ronald C Harris· Jr

Reg. 48901

Patent attorney

The Harris Firm

Washington, DC · 20001

703-786-7661

John K Harrop

Reg. 41817

Patent attorney

Andrews Kurth LLP

Washington, DC · 20006

202-662-3050

Aydin H Harston

Reg. 65249

Patent attorney

Rothwell, Figg, Ernst & Manbeck, P.C.

Washington, DC · 20005

202-783-6040

Thomas E. Hart

Reg. 81259

Patent attorney

Sterne, Kessler, Goldstein & Fox PLLC

Washington, DC · 20005

202-371-2600

Kerry Hartman

Reg. 41818

Patent attorney

Kilpatrick Townsend & Stockton LLP

Washington, DC · 20005-2018

202-481-9955

Anthony A Hartmann

Reg. 43662

Patent attorney

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001-4413

202-408-4275

Jared M Hartzman

Reg. 70255

Patent agent

Fish & Richardson P.C.

Washington, DC · 20024

845-323-7563

Nida Hasan

Reg. 66171

Patent agent

Washington, DC · 00000

000-000-0000

Justin J Hasford

Reg. 62180

Patent attorney

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001

202-408-4000

Lauren E Haskell

Reg. 83406

Patent agent

Foley & Lardner LLP

Washington, DC · 20007

202-295-4083

Sarah Hassan

Reg. 80279

Patent attorney

Baker Botts LLP

Washington, DC · 20001

202-639-7791

Georg M Hasselmann

Reg. 62324

Patent attorney

Tautz & Schuhmacher LLC

Washington, DC · 20007

202-618-9408

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.