ZIP 20001

Patent attorneys in ZIP code 20001 · District of Columbia

ZIP code 20001 in District of Columbia has 381 USPTO-registered patent practitioners listed at addresses inside the ZIP. Every practitioner shown holds an active license to practice before the US Patent and Trademark Office. Local offices include Finnegan, Henderson, Farabow, Garrett & Dunner, LLP and Venable LLP.

All practitioners

Stephanie S. Ham

Reg. 81020

Patent agent

Washington, DC · 20001-4413

703-389-1274

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

Ronald C Harris· Jr

Reg. 48901

Patent attorney

The Harris Firm

Washington, DC · 20001

703-786-7661

Anthony A Hartmann

Reg. 43662

Patent attorney

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001-4413

202-408-4275

Justin J Hasford

Reg. 62180

Patent attorney

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001

202-408-4000

Sarah Hassan

Reg. 80279

Patent attorney

Baker Botts LLP

Washington, DC · 20001

202-639-7791

Karen M Hauda

Reg. 61849

Patent attorney

Novo Nordisk, Inc.

Washington, DC · 20001

703-258-2377

Edmund J Haughey· III

Reg. 44749

Patent attorney

Venable LLP

Washington, DC · 20001

202-721-5489

Donald H Heckenberg· Jr.

Reg. 60081

Patent attorney

Venable LLP

Washington, DC · 20001

202-721-5488

Laurence Roy Hefter

Reg. 20827

Patent attorney

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001

202-408-4053

Benjamin T Hemmelgarn

Reg. 77044

Patent attorney

Finnegan Henderson Farabow Garrett & Dunner LLP

Washington, DC · 20001

202-408-4026

Adam R Hess

Reg. 41835

Patent attorney

Venable LLP

Washington, DC · 20001

202-344-4547

Karin A Hessler

Reg. 62523

Patent attorney

Association for Accessible Medicines

Washington, DC · 20001

202-249-7141

Guillermo S. Hevia

Reg. 83351

Patent agent

Washington, DC · 20001

202-816-9395

Matthew J. Hlinka

Reg. 72334

Patent attorney

Washington, DC · 20001

202-408-4333

Alice Ho

Reg. 81783

Patent attorney

Arnold & Porter Kaye Scholer LLP

Washington, DC · 20001-3743

202-942-6753

John Erling Hoel

Reg. 26279

Patent attorney

Locke Lord LLP

Washington, DC · 20001

202-220-6975

Kelly S. Horn

Reg. 70657

Patent attorney

Finnegan, LLP

Washington, DC · 20001

Kyle W. Howarth

Reg. 82053

Patent agent

Finnegan, Henderson, Farabow, Garrett & Dunner LLP

Washington, DC · 20001

771-202-2938

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

John K Hsu

Reg. 45563

Patent attorney

Schiff Hardin LLP

Washington, DC · 20001

202-778-6467

Brenda J. Huneycutt

Reg. 58664

Patent attorney

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001-4413

202-216-5293

Robert Danny Huntington

Reg. 27903

Patent attorney

Rothwell Figg Ernst & Manbeck, PC

Washington, DC · 20001

202-783-6040

Bennett A Ingvoldstad

Reg. 73367

Patent attorney

Borderstone IP PLLC

Washington, DC · 20001

773-627-1435

Akira Irie

Reg. 57484

Patent agent

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001

202-408-4296

Thomas Lee Irving

Reg. 28619

Patent attorney

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001-4413

202-408-4082

Samir M. Ismail

Reg. 82462

Patent agent

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001

202-408-4015

David A. Izzo

Reg. 84478

Patent attorney

Finnegan, Henderson, Farabow, Garrett & Dunner LLP

Washington, DC · 20001

202-408-4482

Common questions

Do patent attorneys in ZIP 20001 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 ZIP 20001 tend to track the broader District of Columbia legal market.

How many USPTO practitioners list a ZIP 20001 office?

381 USPTO-registered patent practitioners list a ZIP 20001 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 ZIP 20001 practitioner remotely?

Yes. All filings happen through USPTO's electronic Patent Center — no in-person presence is required. A ZIP 20001-based practitioner is convenient for local inventor signings and in-person meetings but not a requirement for representation.