ZIP 20004

Patent attorneys in ZIP code 20004 · District of Columbia

ZIP code 20004 in District of Columbia has 277 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 Cooley LLP and Crowell & Moring LLP.

All practitioners

Alessandra M Schaszberger

Reg. 80334

Patent attorney

Washington, DC · 20004

240-461-2107

Matthew H. Scheideman

Reg. 76605

Patent agent

Cooley LLP

Washington, DC · 20004-2400

202-842-7858

Mary A Schofield

Reg. 36669

Patent agent

Crowell & Moring LLP

Washington, DC · 20004

202-624-2643

Mark Ralph Shanks

Reg. 33781

Patent attorney

Dinsmore & Shohl LLP

Washington, DC · 20004

202-372-9121

William C Shear

Reg. 47938

Patent attorney

Cooley LLP

Washington, DC · 20004

858-550-6000

Fumin Shi

Reg. 76165

Patent attorney

Cooley LLP

Washington, DC · 20004-2400

202-776-2064

Jung S. Shim

Reg. 74388

Patent attorney

Bryan Cave Leighton Paisner LLP

Washington, DC · 20004-1357

202-508-6065

Steven D. Shipe

Reg. 71944

Patent attorney

Barnes & Thornburg LLP

Washington, DC · 20004

202-408-6924

Naira C. Simmons

Reg. 72983

Patent attorney

Pierson Ferdinand LLP

Washington, DC · 20004

516-408-2096

Christopher N Sipes

Reg. 39837

Patent attorney

Covington & Burling, LLP

Washington, DC · 20004

202-662-5525

Michael Ralph Slobasky

Reg. 26421

Patent attorney

Jacobson Holman PLLC

Washington, DC · 20004

202-638-6666

Marianne G Smith

Reg. 70577

Patent agent

Saildrone Inc.

Washington, DC · 20004

410-533-1606

Robert J Smyth

Reg. 50801

Patent attorney

Morgan, Lewis & Bockius LLP

Washington, DC · 20004

202-739-5139

Christian B. Sorensen

Reg. 60108

Patent attorney

HP, Inc.

Washington, DC · 20004

202-831-5816

Nicholas R. Spagnuolo

Reg. 82064

Patent attorney

Hogan Lovells US LLP

Washington, DC · 20004

202-804-7703

Lawrence A Stahl

Reg. 30110

Patent attorney

Fitzpatrick, Cella, Harper & Scinto

Washington, DC · 20004

202-530-1010

Elizabeth Stanley

Reg. 44438

Patent attorney

Stanley Marcus & Associates, PLLC

Washington, DC · 20004

202-349-5551

Ryan J. Stephenson

Reg. 76608

Patent attorney

Hogan Lovells US LLP

Washington, DC · 20004

202-637-6453

Matthew C Stevens

Reg. 78913

Patent agent

Cooley LLP

Washington, DC · 20004

202-842-7800

Christina K Stock

Reg. 45899

Patent attorney

Cooley LLP

Washington, DC · 20004

617-937-2300

Paul D Strain

Reg. 47369

Patent agent

Strain & Stain PLLC

Washington, DC · 20004

202-621-1872

Jonathan M Strang

Reg. 61724

Patent attorney

Latham & Watkins LLP

Washington, DC · 20004

202-637-2200

Hefeng Su

Reg. L1283

Limited recognition

Crowell & Moring LLP

Washington DC, VA · 20004

202-624-2500

Xiaomin Su

Reg. 73445

Patent agent

Cooley LLP

Washington, DC · 20004

202-776-2295

Sanya Sukduang

Reg. 46390

Patent attorney

Cooley LLP

Washington, DC · 20004

202-776-2982

Haitao Sun

Reg. 48546

Patent attorney

SANOFI

Shanghai · 200040

862-162-881616

Jamaica P. Szeliga

Reg. 67647

Patent attorney

Seyfarth Shaw

Washington, DC · 20004-1454

202-463-2400

Keith A Teel

Reg. 47987

Patent attorney

Covington and Burling

Washington, DC · 20004

202-662-5501

Christopher M Tobin

Reg. 40290

Patent attorney

Michael Best and Friedrich LLP

Washington, DC · 20004

202-747-9597

Allan J Topol

Reg. 25801

Patent attorney

Covington & Burling

Washington, DC · 20004

202-662-5402

Common questions

Do patent attorneys in ZIP 20004 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 20004 tend to track the broader District of Columbia legal market.

How many USPTO practitioners list a ZIP 20004 office?

277 USPTO-registered patent practitioners list a ZIP 20004 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 20004 practitioner remotely?

Yes. All filings happen through USPTO's electronic Patent Center — no in-person presence is required. A ZIP 20004-based practitioner is convenient for local inventor signings and in-person meetings but not a requirement for representation.