Washington, District of Columbia

Patent attorneys in Washington

Washington, District of Columbia is home to 2,587 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 Finnegan, Henderson, Farabow, Garrett & Dunner, LLP, Weil Gorshal & Manges, and Porter Wright Morris & Arthur LLP.

Edward S. Jou

Reg. 58973

Patent attorney

Weil Gorshal & Manges

Washington, DC · 20005

202-682-7039

Robert Michael Joynes

Reg. 54842

Patent attorney

Porter Wright Morris & Arthur LLP

Washington, DC · 20006

202-778-3006

Ryan M. Jung

Reg. 83496

Patent agent

Sterne, Kessler, Goldstein & Fox PLLC

Washington, DC · 20005

202-371-2600

Song Ki Jung

Reg. 35210

Patent attorney

Dentons US LLP

Washington, DC · 20006

202-496-7500

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

Ketan P Kadiwala

Reg. 57725

Patent attorney

Washington, DC · 20007

202-276-9251

Arlette Ishimwe Kagaba

Reg. 901234

Limited recognition

Howard University School of Law

Washington, DC · 20008

202-806-8000

Sarah Anne Kagan

Reg. 32141

Patent attorney

Banner & Witcoff, Ltd.

Washington, DC · 20005

202-824-3151

Evan Lorn Kahn

Reg. 35912

Patent attorney

Potomac Law Group

Washington, DC · 20004

202-204-3005

Anthony H Kahng

Reg. 42704

Patent attorney

Samsung Electronics America, Inc.

Washington, DC · 20036

202-887-5671

Kathleen B Kalafus

Reg. 64941

Patent agent

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

Washington, DC · 20005

202-772-8528

Stephanie R. Kalen

Reg. 80511

Patent agent

Sughrue Mion, PLLC

Washington, DC · 20006

202-857-2247

Charles E Kaler

Reg. 66891

Patent agent

Washington, DC · 20024

302-240-5909

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

Michael David Kaminski

Reg. 32904

Patent attorney

Foley & Lardner LLP

Washington, DC · 20007

202-672-5490

Stephen T Kaminski

Reg. 46817

Patent attorney

Covington & Burling

Washington, DC · 20004

202-662-5378

Ronald J Kamis

Reg. 41104

Patent attorney

The Law Office of Ronald J Kamis

Washington, DC · 20015

202-686-2625

Aaron S Kamlay

Reg. 58813

Patent attorney

Butzel Long

Washington, DC · 20006

202-454-2877

Ronald P Kananen

Reg. 24104

Patent attorney

Rader Rishman and Grauer PLLC

Washington, DC · 20036

202-955-3750

Leila R Kanani

Reg. 52399

Patent agent

Stratus IP Law Group LLP

Washington, DC · 20006

202-827-1231

Daniel T Kane

Reg. 77650

Patent attorney

Executive Office of the President

Washington, DC · 20503

845-264-1268

Jianke Kang

Reg. 72445

Patent agent

Morgan, Lewis & Bockius LLP

Washington, DC · 20004

202-739-5183

Seongyoune Sean Kang

Reg. 65690

Patent attorney

Quantum Patent Law Firm

Washington, DC · 20006

202-428-4750

Adam Seth Kaplan

Reg. 59435

Patent attorney

PCT Law Group, PLLC

Washington, DC · 20036

202-683-9945

John J Kaplan

Reg. 46080

Patent attorney

Finnegan, Henderson, Farabow, Garrett

Washington, DC · 20001-4413

202-408-4000

Anchit Kapoor

Reg. 64723

Patent attorney

Shruti Law PLLC

Washington, DC · 20005

888-495-9510

Jeffrey David Karceski

Reg. 35914

Patent attorney

Karceski IP Law, PLLC

Washington, DC · 20006

202-349-9868

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?

2,587 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.