Washington

Patent attorneys in Washington

Washington hosts 1,434 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 Washington. 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 Microsoft Corporation, Axon, and FIG. 1 Patents.

Top cities in Washington

All practitioners in Washington

Andrew R. Graham

Reg. 66818

Patent agent

Axon

Seattle, WA · 98101

419-285-6650

Evan L Graham

Reg. 83035

Patent agent

FIG. 1 Patents

Spokane, WA · 99201

509-321-3549

Lawrence D Graham

Reg. 40001

Patent attorney

Black Lowe and Graham, PLLC

Seattle, WA · 98104

206-381-3300

Michael D Graham

Reg. 51751

Patent attorney

Redmond, WA · 98052

206-288-3588

Jeffry J Grainger

Reg. 36815

Patent attorney

Fortem IP, LLP

Seattle, WA · 98104

650-400-2640

Joshua T. Grandinetti

Reg. 75440

Patent attorney

Lee & Hayes, PLLC

Spokane, WA · 99201

509-944-4649

Ronald Earl Grant

Reg. 52960

Patent agent

Bellevue, WA · 98005

425-882-3641

Richard O Gray· Jr

Reg. 26550

Patent attorney

Bellevue, WA · 98004

425-503-4814

Byron D Greene

Reg. 64887

Patent attorney

Dority & Manning, P.A.

Seattle, WA · 98104

864-271-1592

RuthAnn R Gregory

Reg. 84737

Patent agent

Seattle, WA · 98115

858-784-1302

George G Grigel

Reg. 31166

Patent attorney

Cheney, WA · 99004

509-235-8096

Jessica Sean Gritton

Reg. 65314

Patent attorney

Seed IP Law Group

Seattle, WA · 98104

206-622-4900

Keith D Grzelak

Reg. 37144

Patent attorney

Wells St .John P.S.

Spokane, WA · 99201

509-624-4276

Mark A Guetlich

Reg. 38900

Patent attorney

Global Intellectual Property Group, PLLC

Sammamish, WA · 98074

425-417-9674

Christopher D Guinn

Reg. 54142

Patent attorney

Nintendo of American, Inc.

Redmond, WA · 98052

425-882-2040

Anand Gupta

Reg. 48219

Patent attorney

Microsoft Corporation

Redmond, WA · 98052

425-705-8900

Charles M Gust

Reg. 69311

Patent attorney

Law Office of Charles Gust

Seattle, WA · 98124

206-985-1093

Brian J Gustafson

Reg. 52978

Patent attorney

Gustafson IP

Vancouver, WA · 98685

415-462-3026

Steven I Guttman

Reg. 55234

Patent agent

Go This Way Consulting

Mercer Island, WA · 98040

425-444-6508

Nathan G Guymon

Reg. 67227

Patent attorney

BAMERT REGAN

Seattle, WA · 98104

801-664-6309

Brian J Haaland

Reg. 55235

Patent attorney

Camas, WA · 98607

503-908-9559

Sameena B Habib

Reg. 68970

Patent attorney

Karr Tuttle Campbell

Seattle, WA · 98104

206-223-1313

Charles C. Hagadorn· III

Reg. 62367

Patent attorney

FisherBroyles, LLP

Seattle, WA · 98104

206-537-9809

Cynthia Dawn Hagenbuch

Reg. 62568

Patent attorney

Seattle, WA · 98109

206-979-1160

Clay D. Hagler

Reg. 61804

Patent agent

Battelle Memorial Inst

Richland, WA · 99354

509-372-4487

Mehdi Hajizadegan

Reg. 81569

Patent agent

Kirkland, WA · 98034

313-450-3308

M Henry Halle

Reg. 32234

Patent attorney

Internal Reven Service

Seattle, WA · 98174

206-220-5499

Rachel Amarette Haller

Reg. 71793

Patent attorney

Microsoft Corporation

Redmond, WA · 98052

425-727-0232

Eric G Halsne

Reg. 46753

Patent agent

Halsne Law Group, PLLC

Kenmore, WA · 98028

425-408-0416

Kevin R Halverson

Reg. 62000

Patent attorney

Blackacre Law PLLC

Seattle, WA · 98136

206-574-8005

Common questions

Do I need a patent attorney based in Washington?

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 Washington-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 Washington?

1,434 active USPTO-registered patent practitioners list a Washington 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.