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 Cooley LLP, Full Spectrum Laboratories, Inc., and Finnegan Henderson Farabow Garrett & Dunner LLP.

Richard C Peet

Reg. 35792

Patent attorney

Full Spectrum Laboratories, Inc.

Washington, DC · 20008

202-294-5033

Kaitlyn S Pehrson

Reg. 78730

Patent attorney

Finnegan Henderson Farabow Garrett & Dunner LLP

Washington, DC · 20001

202-573-1738

Carl Joseph Pellegrini

Reg. 40766

Patent attorney

Sughrue Mion, PLLC

Washington, DC · 20037

202-663-7485

Jonathan D Peloquin

Reg. 80501

Patent agent

Washington, DC · 20005

202-824-3129

Don Juhan Pelto

Reg. 33754

Patent attorney

Sheppard Mullin Richter & Hampton LLP

Washington, DC · 20006-6801

202-747-1900

Michael Joseph Pender· Jr

Reg. 48101

Patent attorney

Fenwick

Washington, DC · 20004

202-970-3063

Julie Peng

Reg. 63212

Patent attorney

Washington, DC · 20001

951-751-7364

Edward A Pennington

Reg. 32588

Patent attorney

PENNINGTON OLIAK PLLC

Washington, DC · 20007

202-897-2725

Christopher M Pepe

Reg. 73851

Patent attorney

Weil, Gothsal and Manges LLP

Washington, DC · 20005

202-682-7153

Andrew C. Peretin

Reg. 84368

Patent attorney

Washington, DC · 20006

202-899-3081

Maria Alejandra P. Perez

Reg. 59529

Patent attorney

Washington, DC · 20037

757-897-1522

Ignacio Perez de la Cruz

Reg. 55535

Patent attorney

United States Department of Justice

Washington, DC · 20004

202-353-2171

Carlos R. Perez Toro

Reg. 69978

Patent attorney

Baker & McKenzie LLP

Washington, DC · 20006-4078

202-835-6199

Alexander Pergament

Reg. 58354

Patent agent

US Court of Appeals for the Federal Circuit

Washington, DC · 20005

202-275-8666

Alexander S Perry

Reg. 68030

Patent attorney

Blank Rome LLP

Washington, DC · 20006

202-420-3115

Raymond Bernardo Persino

Reg. 58082

Patent attorney

Jefferson IP Law, LLP

Washington, DC · 20036

202-293-0804

Hannah L. Peters

Reg. 76556

Patent agent

Cooley LLP

Washington, DC · 20221

202-776-2172

Steven W Peters

Reg. 73193

Patent attorney

Cleary Gottlieb Steen & Hamilton LLP

Washington, DC · 20036

202-974-1813

Samara C Petersen

Reg. 83415

Patent attorney

Washington, DC · 20005

480-907-8873

Troy A Petersen

Reg. 56827

Patent attorney

Kilpatrick Townsend & Stockton LLP

Washington, DC · 22307

202-481-9933

Lauren E Peterson

Reg. 62084

Patent attorney

Adduci, Mastriani, & Schaumberg LLP

Washington, DC · 20036

202-407-8646

Liane M. Peterson

Reg. 83319

Patent attorney

Foley & Lardner LLP

Washington, DC · 20007

202-945-6116

Stephen Leroy Peterson

Reg. 26325

Patent attorney

Finnegan, Henderson, Farabow, Garrett & Dunner LLP

Washington, DC · 20001-4413

202-408-4003

Daniel J Petkovsek

Reg. 60721

Patent agent

Washington, DC · 20009

571-235-7371

Susan P Petraglia

Reg. 35044

Patent attorney

Washington, DC · 20002

202-546-0964

Henry August Petri

Reg. 33063

Patent attorney

Polsinelli PC

Washington, DC · 20001

202-777-8928

Julie Ann Petruzzelli

Reg. 40769

Patent attorney

Goodwin Procter, LLP

Washington, DC · 20001

202-346-4000

Heather M. Petruzzi

Reg. 71270

Patent attorney

Wilmer Cutler Pickering Hale and Dorr LLP

Washington, DC · 20037

202-663-6000

Jordan D Phelan

Reg. 73852

Patent agent

Cooley LLP

Washington, DC · 20004-2400

202-728-7066

Brandon B. Phemester

Reg. 83744

Patent agent

Venable LLP

Washington, DC · 20001

407-920-8528

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.