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 Sughrue Mion, PLLC, MACK IP LAW, LLC, and Hunton & Williams, LLP.

Corey D Mack

Reg. 54821

Patent attorney

MACK IP LAW, LLC

Washington, DC · 20005

202-827-9990

Susan J Mack

Reg. 30951

Patent attorney

Sughrue Mion, PLLC

Washington, DC · 20037

202-293-7060

Tyler Maddry

Reg. 40074

Patent attorney

Hunton & Williams, LLP

Washington, DC · 20006

202-955-1964

Atticus D Madison

Reg. 32924

Patent attorney

Washington, DC · 20010

202-246-5316

Berlin Madison

Reg. 57731

Patent attorney

Berlin Madison PLLC

Washington, DC · 20010

314-367-3325

Stephen Bradford Maebius

Reg. 35264

Patent attorney

Foley & Lardner LLP

Washington, DC · 20007

202-672-5569

Melanie M. Magdun

Reg. 79768

Patent attorney

Finnegan, Henderson, Farabow, Garrett & Dunner LLP

Washington, DC · 20001

202-408-4156

Benjamin D. Maggin

Reg. 75203

Patent attorney

Brown Rudnick LLP

Washington, DC · 20005

202-536-1791

Malissa S Magiera

Reg. 78395

Patent attorney

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

Washington, DC · 20001

202-845-5334

Shaun P. Mahaffy

Reg. 75534

Patent attorney

Williams & Connolly LLP

Washington, DC · 20024

202-434-5554

Jennifer Rebecca Mahalingappa

Reg. 47765

Patent attorney

United States Department of Energy

Washington, DC · 20585

202-287-5702

Anne Marie Maher

Reg. 38231

Patent attorney

U.S. Court of Appeals for the Federal Circuit

Washington, DC · 20439

202-275-8064

Kassity L Mai

Reg. 68774

Patent attorney

Cooley LLP

Washington, DC · 20004-2400

202-452-8800

Seth A Mailhot

Reg. 50570

Patent attorney

Nixon Peabody LLP

Washington, DC · 20004-2128

202-585-8196

Stephanie F. Majkut

Reg. 78624

Patent agent

Banner Witcoff, LLC

Washington, DC · 20003

202-824-3324

Michael A Makuch

Reg. 32263

Patent attorney

Smith, Gambrell & Russell

Washington, DC · 20036

202-263-4300

George M Maliha

Reg. 75485

Patent agent

Sidley Austin LLP

Washington, DC · 20005

806-584-3006

Brian J Malkin

Reg. 57620

Patent attorney

Spencer Fane LLP

Washington, DC · 20006

202-921-7388

Michael W Mallory

Reg. 59997

Patent agent

Washington, DC · 20011

202-906-9956

Scott D Malpede

Reg. 32533

Patent agent

Fitzpatrick, Cella, Harper & Scinto

Washington, DC · 20004-1405

202-530-1010

Nathan S Mammen

Reg. 54892

Patent attorney

Reichman Jorgensen Lehman & Feldberg LLP

Washington, DC · 20006

202-988-2827

William H Mandir

Reg. 32156

Patent attorney

Sughrue Mion, PLLC

Washington, DC · 20037

202-293-7060

Christopher T. Marando

Reg. 67898

Patent attorney

Perkins Coie LLP

Washington, DC · 20005

202-654-6227

Tara L Marcus

Reg. 46510

Patent attorney

Blank Rome, LLP

Washington, DC · 20037

202-772-5957

Paul I. Margulies

Reg. 59580

Patent attorney

Tesla, Inc.

Washington, DC · 20006

202-695-5388

Karen Rose Markowicz

Reg. 36351

Patent agent

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

Washington, DC · 20005

202-772-8637

Mythili Markowski

Reg. 67063

Patent attorney

Buchanan Ingersoll & Rooney PC

Washington, DC · 20006

202-452-7314

Jessica L. A. Marks

Reg. 67451

Patent attorney

Unified Patents, Inc.

Washington, DC · 20009

571-488-3864

Charles Michael Marmelstein

Reg. 25895

Patent attorney

Arent Fox LLP

Washington, DC · 20036-5344

202-857-6000

John L Marquardt· Jr

Reg. 55429

Patent attorney

Marquardt Law

Washington, DC · 20007

202-880-1444

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.