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 Greenberg Traurig, LLP, Sughrue Mion, PLLC, and Sutherland Asbill & Brennan LLP.

Catherine M Krupka

Reg. 46227

Patent attorney

Sutherland Asbill & Brennan LLP

Washington, DC · 20004

202-383-0248

Evan S Krygowski

Reg. 78331

Patent attorney

Orrick Herrington & Sutcliffe LLP

Washington, DC · 20037

202-339-8648

Nelson Kuan

Reg. 65123

Patent attorney

Department of Justice

Washington, DC · 20530

202-307-0335

Francis J Kub

Reg. 69250

Patent agent

Naval Research Laboratory

Washington, DC · 20375

202-767-3862

Yeojin Kuh

Reg. 80240

Patent attorney

Greenberg Traurig, LLP

Washington, DC · 20037

202-331-3100

Sarah L. Kuhns

Reg. 59573

Patent attorney

Cheng Law Group

Washington, DC · 20036

202-530-1280

Yoncha L Kundupoglu

Reg. 41130

Patent attorney

Office of Unfair Import Investigations

Washington, DC · 20436

202-205-3323

Hayden J. Kunz

Reg. 77416

Patent attorney

Washington, DC · 20005

651-253-7143

Kevin C Kunzendorf

Reg. 58308

Patent attorney

Sughrue Mion, PLLC

Washington, DC · 20006

202-663-7375

Vivian S Kuo

Reg. 45456

Patent attorney

Greenberg Traurig, LLP

Washington, DC · 20037

202-331-3158

Dara M Kurlancheek

Reg. 69815

Patent attorney

King & Spalding

Washington, DC · 20006

202-626-5590

Hannah P. Kuschman

Reg. 83799

Patent agent

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

Washington, DC · 20005

202-371-2600

Jeffrey P Kushan

Reg. 43401

Patent attorney

Sidley Austin Brown & Wood LLP

Washington, DC · 20005

202-736-8914

John W Kuzin

Reg. 46848

Patent attorney

John W. Kuzin, Senior Director, Goverment Affairs- Regulatory Qualcomm Inco

Washington, DC · 20006

202-263-0015

Ching Kwok

Reg. 72887

Patent attorney

NSIP LAW

Washington, DC · 20036

202-391-0280

Ashley M Kwon

Reg. 67183

Patent agent

Covington & Burling LLP

Washington, DC · 20001

202-662-5873

Young Sun Kwon

Reg. 78445

Patent attorney

Sughrue Mion, PLLC

Washington, DC · 20037-3213

202-775-7513

Patrick T. LaBreck

Reg. 79419

Patent agent

Greenberg Traurig, LLP

Washington, DC · 20037

202-530-8545

William P Ladd

Reg. 64646

Patent attorney

U.S. Naval Research Laboratory

Washington, DC · 20375

202-404-1557

Patrick M. Lafferty

Reg. 63000

Patent attorney

KILPATRICK TOWNSEND & STOCKTON, LLP

Washington, DC · 20005-2018

202-508-5800

Christian A LaForgia

Reg. 71227

Patent attorney

Banner & Witcoff

Washington, DC · 20005

202-824-3000

Katherine R Lahnstein-Bertocci

Reg. 53842

Patent attorney

Adduci, Mastriani & Schaumberg, LLP

Washington, DC · 20036

202-467-6300

Cristina B. Lai

Reg. 79800

Patent agent

Morrison & Foerster LLP

Washington, DC · 20037

202-887-1582

Christophe F. Lair

Reg. 54248

Patent attorney

CUSHMAN PARTNERS LLC

Washington, DC · 20005

443-745-1916

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

Anita Y Lam

Reg. 67394

Patent attorney

Mayer Brown LLP

Washington, DC · 20006

202-263-3146

Brian J. Lambson

Reg. 72570

Patent attorney

WilmerHale, LLP

Washington, DC · 20037

202-663-6190

Mark A Lampert

Reg. 81559

Patent agent

Washington, DC · 20001

202-408-4000

Yan Lan

Reg. 50214

Patent agent

Sughrue Mion, PLLC

Washington, DC · 20037

202-663-7404

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.