Washington, District of Columbia

Patent attorneys in Washington

Washington, District of Columbia is home to 2,626 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, LATHAM & WATKINS LLP, and Ice Miller LLP.

Mark Koehn

Reg. 46271

Patent attorney

LATHAM & WATKINS LLP

Washington, DC · 20004-1304

202-637-2186

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

Mih Suhn Koh

Reg. 65080

Patent attorney

Vorys, Sater, Seymour & Pease LLP

Washington, DC · 20006-1152

202-467-8800

Matthew J Kohner

Reg. 51892

Patent agent

Office of the Intellectual Property Enforcement Coordinator

Washington, DC · 20504

202-881-9136

Shinji Koike

Reg. 76087

Patent agent

Mots Law, PLLC

Washington, DC · 20006-1635

202-828-1008

John L Kolakowski

Reg. 46838

Patent attorney

Morrison & Foerster LLP

Washington, DC · 20006-1888

202-887-6926

Sai Santosh Kumar Kolluru

Reg. 70937

Patent agent

U.S. Government

Washington, DC · 20005

203-313-2850

Lacy L Kolo

Reg. 55340

Patent agent

Squire Patton Boggs (US) LLC

Washington, DC · 20037

202-457-6000

Michael E Kondoudis

Reg. 42758

Patent attorney

The Law Office of Michael E. Kondoudis

Washington, DC · 20001

202-349-9850

Taegon Kong

Reg. 83899

Patent attorney

Bryan Cave Leighton Paisner LLP

Washington, DC · 20004-1357

202-508-6028

Suzanne Elena Konrad

Reg. 60517

Patent attorney

Spencer Fane LLP

Washington, DC · 20036-2680

202-795-4068

Stephen William Kopchik

Reg. 61215

Patent attorney

Wenderoth, Lind & Ponack L.L.P.

Washington, DC · 20036

202-721-8200

David J Kopecky

Reg. 77884

Patent agent

Arnold & Porter Kaye Scholer LLP

Washington, DC · 20001

202-942-6790

Daniel A Kopp

Reg. 56969

Patent attorney

BakerHostetler

Washington, DC · 20036

202-861-1587

Andrew R Kopsidas

Reg. 42759

Patent attorney

Blank Rome LLP

Washington, DC · 20006

202-420-2347

Patrick R Koren

Reg. 63633

Patent attorney

Harvest IP Law LLP

Washington, DC · 20004

614-506-7983

Suresh Koshy

Reg. 42761

Patent attorney

Naval Research Laboratory

Washington, DC · 20375-5325

202-767-0302

Judy Kay Kosovich

Reg. 33528

Patent attorney

Washington, DC · 20003

202-257-9556

Kristen R. Kovach

Reg. 79966

Patent agent

Bookoff McAndrews

Washington, DC · 20006

202-992-9974

Vincent P Kovalick

Reg. 32867

Patent agent

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001

202-408-4107

Jill F. Kozumbo

Reg. 78664

Patent agent

Cooley LLP

Washington, DC · 20004-2400

202-962-8384

Bruce E Kramer

Reg. 33725

Patent attorney

Sughrue Mion, PLLC

Washington, DC · 20006

202-663-7951

Paul I Kravetz

Reg. 35230

Patent attorney

Staas & Halsey LLP

Washington, DC · 20005

202-434-1500

Steven Kreiss

Reg. 31388

Patent attorney

Law Office Of Steven Kreiss

Washington, DC · 20036

202-347-6382

William G. Krentz

Reg. 84026

Patent attorney

Federal Energy Regulatory Commission

Washington, DC · 20426

414-559-9182

Mark Richard Kresloff

Reg. 42766

Patent attorney

Dentons US LLP

Washington, DC · 20006

202-496-7513

Colin W Kreutzer

Reg. 78750

Patent agent

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001

202-408-4217

David M Krinsky

Reg. 72339

Patent attorney

Williams & Connolly LLP

Washington, DC · 20024

202-434-5338

Phyllis K Kristal

Reg. 38524

Patent attorney

Fish & Richardson P.C.

Washington, DC · 20005

202-626-6424

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?

2,626 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.