Washington

Patent attorneys in Washington

Washington hosts 1,446 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, Lee & Hayes, PLLC, and Cell Therapeuticus, Inc..

Top cities in Washington

All practitioners in Washington

Carole A Boelitz

Reg. 48958

Patent attorney

Microsoft Corporation

Redmond, WA · 98052

425-722-6035

James M Bogden

Reg. 32962

Patent attorney

Cell Therapeuticus, Inc.

Seattle, WA · 98121

206-272-4657

Craig E Bohn

Reg. 52629

Patent attorney

Law Office of Craig Bohn

Seattle, WA · 98178-2718

713-874-0607

Gail L Bohnhoff-Hlavacek

Reg. 66163

Patent agent

The Boeing Company

Seattle, WA · 98108

206-662-6625

Robert O. Bolan

Reg. 38831

Patent attorney

Bellevue, WA · 98009

425-445-7978

Timothy L Boller

Reg. 47435

Patent attorney

Seed Intellectual Property Law Group LLP

Seattle, WA · 98104

206-622-4900

Brett D. Bollinger

Reg. 77864

Patent attorney

Volamus IP, LLC.

Greenacres, WA · 99016

406-544-4298

Shivani D Bommakanty

Reg. 52632

Patent attorney

Mercer Island, WA · 98040

858-775-0406

Brian S Boon

Reg. 77640

Patent attorney

Boon Intellectual Property Law, PLLC

Gig Harbor, WA · 98332

253-358-7270

Landin F Boring

Reg. 51487

Patent agent

Port Townsend, WA · 98368

120-622-55859

James A Born

Reg. 46564

Patent agent

Black Lowe & Graham PLLC

Seattle, WA · 98104

206-381-3300

Philip G S Born

Reg. 40523

Patent attorney

Foster Garvey PC

Seattle, WA · 98101

206-218-3189

Michelle Bos

Reg. 45499

Patent attorney

Michelle Bos Legal LLC

Zillah, WA · 98953

509-945-2822

Bert E. Bouquet· III

Reg. 72006

Patent attorney

Kilpatrick Townsend & Stockton LLP

Seattle, WA · 98101

206-224-2866

Heather M Boussios

Reg. 52704

Patent attorney

Aptevo Therapeutics

Seattle, WA · 98121

240-604-1712

Jeffrey A. Bowers

Reg. 60123

Patent attorney

Intellectual Ventures

Bellevue, WA · 98005

425-467-2328

Julie A Bowman

Reg. 80081

Patent attorney

Christensen O'Connor Johnson Kindness

Seattle, WA · 98101-3029

206-695-1612

Louise J L Bowman

Reg. 66978

Patent attorney

Microsoft Corporation

Redmond, WA · 98052

425-882-8080

James A Bradburne

Reg. 38389

Patent agent

Clear Path IP, LLC

Seattle, WA · 98105

650-741-4470

John E Bradley

Reg. 42354

Patent agent

Lee & Hayes, PLLC

Seattle, WA · 98101

206-876-6041

John W Branch

Reg. 41633

Patent attorney

Branch Partners PLLC

Seattle, WA · 98104

206-420-6059

Carl L Brandt

Reg. 44555

Patent attorney

Microsoft Corporation

Redmond, WA · 98052

425-707-4517

Lynn Y Brandt

Reg. 41986

Patent attorney

Redmond, WA · 98053

425-868-9341

Kayla D Brant

Reg. 46576

Patent agent

Lee & Hayes, PLLC

Spokane, WA · 99201

509-324-9256

Vincent A Branton

Reg. 39120

Patent attorney

Battelle Memorial Institute

Richland, WA · 99352

509-375-2633

Robert T Braun

Reg. 36758

Patent attorney

Sammamish, WA · 98074

425-688-8878

William J Breen· III

Reg. 45313

Patent attorney

FIG. 1 Patents

Spokane, WA · 99201-3622

509-755-7253

Samuel F. Breeze

Reg. 69684

Patent attorney

Lee & Hayes, PLLC

Spokane, WA · 99201

509-944-4622

Bronte L. Brillantes

Reg. 82398

Patent attorney

Schacht Law Office

Bellingham, WA · 92260

858-357-5379

Juliene P Britt

Reg. 63551

Patent agent

Perkins Cole LLP

Seattle, WA · 98101

206-359-3233

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?

1,446 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.