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 The Law Office of Michael E. Kondoudis.

All practitioners

Michael E Kondoudis

Reg. 42758

Patent attorney

The Law Office of Michael E. Kondoudis

Washington, DC · 20001

202-349-9850

David J Kopecky

Reg. 77884

Patent agent

Arnold & Porter Kaye Scholer LLP

Washington, DC · 20001

202-942-6790

Vincent P Kovalick

Reg. 32867

Patent agent

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001

202-408-4107

Colin W Kreutzer

Reg. 78750

Patent agent

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001

202-408-4217

Ashley M Kwon

Reg. 67183

Patent agent

Covington & Burling LLP

Washington, DC · 20001

202-662-5873

Samuel L Lair

Reg. 73965

Patent agent

Washington, DC · 20001

202-733-2903

Peter Nicholas Lalos

Reg. 19789

Patent attorney

Novak Druce + Quigg LLP

Washington, DC · 20001

202-204-4732

Mark A Lampert

Reg. 81559

Patent agent

Washington, DC · 20001

202-408-4000

Deena J. Kablaoui Lanier

Reg. 83353

Patent attorney

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001

202-408-4115

Alvin Lee

Reg. 79728

Patent attorney

Venable LLP

Washington, DC · 20001

202-344-4297

Constance Pei Hwa Lee

Reg. 75152

Patent attorney

O'Melveny & Myers

Washington, DC · 20001

202-344-9617

David D Leege

Reg. 72541

Patent attorney

Venable | Fitzpatrick

Washington, DC · 20001

202-721-5441

David J Lehr

Reg. 76222

Patent agent

Washington, DC · 20001

215-914-5768

Megan R. Leinen

Reg. 73721

Patent attorney

Finnegan, Henderson, Farabow, Garrett

Washington, DC · 20001

202-408-4472

Shannon M Lentz

Reg. 65382

Patent attorney

Brownstein Hyatt Farber Schreck, LLP

Washington, DC · 20001

202-662-2190

Benjamin D. Levitas

Reg. 80990

Patent agent

Finnegan, Henderson, Farabow, Garrett & Dinner

Washington, DC · 20001-4413

202-408-4000

Michael W. Lewis

Reg. 76829

Patent agent

Arnold and Porter Kaye Scholer

Washington, DC · 20001

202-942-6728

Basil J Lewris

Reg. 28818

Patent attorney

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001

202-408-4089

Anne E Li

Reg. 58131

Patent attorney

Brownstein, Hyatt, Farber, Schreck

Washington, DC · 20001

202-383-5908

Richard Li

Reg. 800167

Limited recognition

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001-4413

202-408-4171

Yang Li

Reg. 75224

Patent attorney

Baker Botts L.L.P.

Washington, DC · 20001-5692

202-639-1327

Yuan Liang

Reg. 80572

Patent agent

Washington, DC · 20001

202-630-6746

Esther H Lim

Reg. 41944

Patent attorney

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001-4413

202-408-4121

Yuhe Liu

Reg. 76525

Patent agent

McDermott Will & Emery LLP

Washington, DC · 20001-1531

202-756-8974

Joseph Preston Long

Reg. 65125

Patent attorney

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001

202-408-4000

Heidi E. Lunasin

Reg. 54283

Patent attorney

Duane Morris

Washington, DC · 20001

202-776-5256

Jill Kirsten MacAlpine

Reg. 60475

Patent attorney

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001

202-408-4105

Melanie M. Magdun

Reg. 79768

Patent attorney

Finnegan, Henderson, Farabow, Garrett & Dunner LLP

Washington, DC · 20001

202-408-4156

Malissa S Magiera

Reg. 78395

Patent attorney

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

Washington, DC · 20001

202-845-5334

David R Marsh

Reg. 41408

Patent attorney

Arnold and Porter Kaye Scholer LLP

Washington, DC · 20001-3743

202-942-5068

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.