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, Morrison & Foerster LLP, and Cooley LLP.

Yieyie Yang

Reg. 71923

Patent agent

Washington, DC · 20037

617-416-7098

Chiyat B Yau

Reg. 71330

Patent agent

McDermott Will & Emery

Washington, DC · 20001

202-756-8006

Michael Ye

Reg. 47195

Patent agent

Andrews Kurth LLP

Washington, DC · 20005

202-662-3008

Stephen C Yelderman

Reg. 58881

Patent agent

U.S. Department of Justice

Washington, DC · 20530

202-598-2443

Jihwang Yeo

Reg. 63045

Patent agent

McDermott, Will & Emery LLP

Washington, DC · 20001

202-756-8181

Andrew G Yeretsky

Reg. 65471

Patent attorney

Sughrue Mion, PLLC

Washington, DC · 20006

202-663-7440

Shannon G. Yi

Reg. 79293

Patent attorney

Finnegan Henderson Farabow Garrett & Dunner, LLP

Washington, DC · 20001-4413

202-408-4310

Qingyu Yin

Reg. 61329

Patent attorney

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001-4413

202-408-4213

Edward R Yoches

Reg. 30120

Patent attorney

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001-4413

202-408-4039

Michelle L. Yocum

Reg. 75543

Patent attorney

Morrison & Foerster LLP

Washington, DC · 20006

202-887-1531

David R Yohannan

Reg. 37480

Patent attorney

Quarles & Brady LLP

Washington, DC · 20006

202-780-2637

Kristin L Yohannan

Reg. 38665

Patent attorney

Cadwalader, Wickersham & Tapt

Washington, DC · 20001

202-862-2275

Daniel E Yonan

Reg. 53812

Patent attorney

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

Washington, DC · 20005

202-371-2600

Hongsun Yoon

Reg. 57390

Patent attorney

LG Electronics U.S.A., Inc.

Washington, DC · 20005

202-220-6812

Pyong Woo Yoon

Reg. 48194

Patent attorney

United States International Trade Commission

Washington, DC · 20436

202-205-2705

Sohee K Yoon

Reg. 77277

Patent agent

Fish & Richardson PC

Washington, DC · 20024

202-626-7703

Won S. Yoon

Reg. 71058

Patent agent

Fish & Richardson, P.C.

Washington, DC · 20005

202-626-6431

Naoki Yoshida

Reg. 48108

Patent attorney

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001-4413

202-408-4000

Ben Xiaobin You

Reg. 62510

Patent attorney

NSIP LAW

Washington, DC · 20036

202-429-0020

Christopher J. Young· Jr

Reg. 81055

Patent agent

Washington, DC · 20001

301-875-3285

James Hyung Suk Young

Reg. 73078

Patent attorney

Washington, DC · 20439

202-357-6400

Jeffrey G Young· Jr

Reg. 80270

Patent attorney

Morrison & Foerster LLP

Washington, DC · 20037

202-498-8458

John Leonard Young

Reg. 57150

Patent attorney

Independent Contractor Patent Attorney

Washington, DC · 20020-2806

202-426-2400

Betty R Yu

Reg. 69462

Patent agent

Harvest IP Law LLP

Washington, DC · 20004

202-787-5887

Xiaozhen Yu

Reg. 75031

Patent attorney

Cooley LLP

Washington, DC · 20004-2400

202-728-7127

Shanzhong Yuan

Reg. 77035

Patent attorney

Nixon Peabody LLP

Washington, DC · 20001-5327

202-585-8605

Allen C Yun

Reg. 37971

Patent agent

Browdy and Neimark P.L.L.C.

Washington, DC · 20006

202-628-5197

David Yun

Reg. 82545

Patent attorney

Cooley LLP

Washington, DC · 20004-2400

301-943-2730

Lukas M. Zalesky

Reg. 83841

Patent agent

Bookoff McAndrews PLLC

Washington, DC · 20006

771-208-3448

Chen Zang

Reg. 81568

Patent attorney

Finnegan, Henderson, Farabow, Garrett

Washington, DC · 20001-4413

202-408-4000

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.