District of Columbia

Patent attorneys in District of Columbia

District of Columbia hosts 2,661 active patent practitioners registered with the USPTO Office of Enrollment and Discipline. Patent attorneys and patent agents can both prepare and file patent applications, but only patent attorneys can also offer legal advice on prosecution strategy, freedom-to-operate analyses, and infringement opinions in District of Columbia. Practitioners are concentrated across 20 cities, with the largest clusters in the metros listed below. Notable firms with multiple registered practitioners in the state include Finnegan, Henderson, Farabow, Garrett & Dunner, LLP, United States Postal Service, and Naval Research Laboratory.

Top cities in District of Columbia

All practitioners in District of Columbia

Rachel Kapust Hunnicutt

Reg. 53094

Patent agent

United States Postal Service

Washington, DC · 20260-1101

202-268-7855

Stephen Thomas Hunnius

Reg. 48304

Patent attorney

Naval Research Laboratory

Washington, DC · 20375

202-253-3503

Jeanette M Hunter

Reg. 40468

Patent agent

Washington, DC · 20011

202-726-7799

Robert Danny Huntington

Reg. 27903

Patent attorney

Rothwell Figg Ernst & Manbeck, PC

Washington, DC · 20001

202-783-6040

Andrew R. Huntsinger

Reg. 82345

Patent attorney

Mayer Brown LLP

Washington, DC · 20006

202-263-3000

Robert N. Hunziker· Jr.

Reg. 73329

Patent attorney

Dunner Law PLLC

Washington, DC · 20007

202-298-6009

Michael S Huppert

Reg. 40268

Patent attorney

Wenderoth, Lind & Ponack, L.L.P.

Washington, DC · 20036

202-721-8200

Sydney L. Huppert

Reg. 84049

Patent attorney

Banner Witcoff

Washington, DC · 20005

202-824-3000

John A Hurvitz

Reg. 41860

Patent attorney

Covington and Burling

Washington, DC · 20004

202-662-5319

John R Hutchins

Reg. 43686

Patent attorney

Banner & Witcoff Ltd.

Washington, DC · 20005-4051

202-824-3147

Daniel In Hwang

Reg. 60797

Patent attorney

Spencer Fane LLP

Washington, DC · 20036

202-795-4067

Stamford B Hwang

Reg. 68230

Patent agent

Pepper Hamilton LLP

Washington, DC · 20005

202-220-1442

Eileen Foley Hyde

Reg. 68967

Patent attorney

GE Aerospace

Washington, DC · 20005

571-381-9658

Keisha-Gay N Hylton-Rodic

Reg. 59823

Patent attorney

Hylton- Rodic Law PLLC

Washington, DC · 20005

202-499-7233

Kelly G Hyndman

Reg. 39234

Patent attorney

U.S. Department of Homeland Security

Washington, DC · 20528-0485

202-254-5322

Joseph Anthony Hynds

Reg. 34627

Patent attorney

Rothwell, Figg, Ernst & Manbeck , P.C.

Washington, DC · 20005

202-783-6040

Michael J. Iannotti

Reg. 84098

Patent agent

Honigman LLP

Washington, DC · 20005-2111

202-899-4131

Kumiko Ide

Reg. 78056

Patent attorney

Wenderoth, Lind & Ponack, LLP

Washington, DC · 20036

202-721-8200

Abigail O. Idokogi

Reg. 83439

Patent attorney

Washington, DC · 20002

281-948-7329

Hyun Jin In

Reg. 70014

Patent agent

Fish & Richardson P.C.

Washington, DC · 20005

202-626-7765

Sungyong In

Reg. 51834

Patent attorney

Ichthus International Law PLLC

Washington, DC · 20036

240-449-7595

John Randolph Inge

Reg. 26916

Patent attorney

Orrick Herrington & Sutcliffe LLP

Washington, DC · 20037

202-339-8445

Bennett A Ingvoldstad

Reg. 73367

Patent attorney

Borderstone IP PLLC

Washington, DC · 20001

773-627-1435

Akira Irie

Reg. 57484

Patent agent

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001

202-408-4296

Thomas Lee Irving

Reg. 28619

Patent attorney

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001-4413

202-408-4082

John Paul Isacson· Jr

Reg. 33715

Patent attorney

McCarter & English, LLP

Washington, DC · 20005

202-753-3400

Linda Moncys Isacson

Reg. 34882

Patent attorney

U.S. Court of Appeals for the Federal Circuit

Washington, DC · 20439

Samir M. Ismail

Reg. 82462

Patent agent

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001

202-408-4015

Ronald Gregory Israelsen

Reg. 72805

Patent attorney

Wilmer Cutler Pickering Hale Dorr LLP

Washington, DC · 20037

202-663-6215

Lev Ivan Gabriel Iwashko

Reg. 70168

Patent attorney

Washington, DC · 20036

Common questions

Do I need a patent attorney based in District of Columbia?

No. Every USPTO-registered patent practitioner is licensed to file applications on behalf of inventors in any state, regardless of where the practitioner's office is. Choosing a District of Columbia-based practitioner can simplify in-person inventor signings, local meetings, and same-time-zone calls, but it is not a legal requirement.

How many patent attorneys are licensed in District of Columbia?

2,661 active USPTO-registered patent practitioners list a District of Columbia office address on the OEDCI roster. This includes both patent attorneys (who can also offer legal advice) and patent agents (who can prepare and file patents but not offer broader legal advice).

What is the difference between a patent attorney and a patent agent?

Both pass the USPTO Patent Bar and can prepare, file, and prosecute patent applications. Only patent attorneys also hold a state bar license, meaning they can additionally offer legal advice on infringement, licensing, and litigation strategy. Patent agents tend to charge less per hour and are common at large in-house IP departments.