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 Jones Day.

All practitioners

John Michael Jakes

Reg. 32824

Patent attorney

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001-4413

202-408-4000

Thomas Haywood Jenkins

Reg. 30857

Patent attorney

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001-4413

202-408-4088

Mingji Jin

Reg. 69674

Patent attorney

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001

202-408-6020

Christopher C Johns

Reg. 68664

Patent attorney

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001-4413

202-408-4155

Forrest A. Jones

Reg. 74123

Patent attorney

Finnegan Henderson Farabow

Washington, DC · 20001-4413

202-408-4019

Kiyoe Kondo Kabashima

Reg. 54874

Patent attorney

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001

202-408-4194

D Brian Kacedon

Reg. 46814

Patent attorney

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001-4413

202-408-4301

Michael J. Kachmarik

Reg. 78141

Patent attorney

Baker Botts L.L.P.

Washington, DC · 20001-5692

202-639-7773

Yury Kalish

Reg. 72538

Patent attorney

Jones Day

Washington, DC · 20001

202-879-3616

Jeffri Kaminski

Reg. 42709

Patent attorney

Venable, LLP

Washington, DC · 20001

202-344-4048

John J Kaplan

Reg. 46080

Patent attorney

Finnegan, Henderson, Farabow, Garrett

Washington, DC · 20001-4413

202-408-4000

Darren J Kassab

Reg. 71302

Patent attorney

Jones Day

Washington, DC · 20001

202-879-3889

Megan P Keane

Reg. 76275

Patent attorney

Covington & Burling, LLP

Washington, DC · 20001-4956

202-662-5084

Alexander R. Kearl

Reg. 81422

Patent attorney

Washington, DC · 20001

602-317-6297

David Michael Kelly

Reg. 30953

Patent attorney

Finnegan

Washington, DC · 20001

202-408-4050

Dennis G. Keritsis

Reg. 82123

Patent agent

Arnold & Porter

Washington, DC · 20001-3743

202-942-6619

Sydney R Kestle

Reg. 78725

Patent attorney

Finnegan Henderson Farabow Garrett & Dunner LLP

Washington, DC · 20001

202-408-4241

Houtan Khalili-Esfahani

Reg. 41893

Patent attorney

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001

202-408-4106

Vishal Vincent Khatri

Reg. 51873

Patent attorney

Jones Day

Washington, DC · 20001

202-879-3607

Juyoung Kim

Reg. 84165

Patent attorney

Washington, DC · 20001-3743

202-942-6431

Kyu Yun Kim

Reg. 72783

Patent agent

Fenwick & West LLP

Washinton, DC · 20001

404-698-5103

Wook S Kim

Reg. 73186

Patent agent

Arnold & Porter Kaye Scholer LLP

Washington, DC · 20001-3743

202-942-5699

Yoonhee Kim

Reg. 78998

Patent agent

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001-4413

202-408-4214

Matthew T. Kitces

Reg. 61212

Patent attorney

Nixon Peabody LLP

Washington, DC · 20001

202-585-8026

Brian Lee Klock

Reg. 36570

Patent attorney

Venable LLP

Washington, DC · 20001

202-721-5427

Daniel F Klodowski

Reg. 72693

Patent attorney

Finnegan Henderson Farabow

Washington, DC · 20001

202-408-4216

Fabian Kloosterman

Reg. 83578

Patent agent

Washington, DC · 20001

202-503-5343

Bernard John Knight· Jr.

Reg. L0911

Limited recognition

Washington, DC · 20001

202-236-8232

Tobias P. Koengeter

Reg. 84611

Patent agent

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001

857-361-9147

Fabian M Koenigbauer

Reg. 66959

Patent attorney

Ice Miller LLP

Washington, DC · 20001

202-807-4055

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.