California

Patent attorneys in California

California hosts 9,553 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 California. 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 Skjerven Morrill MacPherson Franklin and Friel, Foley & Lardner LLP, and Bryan Cave LLP.

Top cities in California

All practitioners in California

William L Robinson

Reg. 47032

Patent attorney

Skjerven Morrill MacPherson Franklin and Friel

Newport Beach, CA · 92660

949-718-6780

William Joseph Robinson

Reg. 29430

Patent attorney

Foley & Lardner LLP

Los Angeles, CA · 90071-2411

213-972-4599

Lily R. Robinton

Reg. 67748

Patent attorney

Bryan Cave LLP

San Francisco, CA · 94111

415-675-3405

Robert John Roby

Reg. 44304

Patent attorney

VIA LLP

Mission Viejo, CA · 92692

949-836-7336

Cathleen Marie Rocco

Reg. 46172

Patent attorney

Sunnyvale, CA · 94087

408-655-6133

Anie Kavita Roche

Reg. 50512

Patent attorney

Los Altos, CA · 94024

650-384-5604

Tristan O Rocheleau

Reg. 75182

Patent agent

Berkeley, CA · 94705

607-232-2162

Geraldine N. Rochino

Reg. 58147

Patent attorney

Mintz, Levin, Cohn, Ferris, Glovsky and Popeo PC

Palo Alto, CA · 94306-2155

650-251-7731

David B Rockower

Reg. 53526

Patent attorney

David B. Rockower

Palo Alto, CA · 94306

650-328-2975

Charlotte Marie Rodeen-Dickert

Reg. 51040

Patent attorney

West & Associates, A PC

Walnut Creek, CA · 94598

925-465-4603 X203

Guy M Rodgers

Reg. 73906

Patent attorney

Argo Chemical, Inc.

Bakersfield, CA · 93263

424-248-9763

Jeffrey I Rodgers

Reg. 70111

Patent agent

Portola Valley, CA · 94028

650-533-2680

Mark R Rodgers

Reg. 55579

Patent agent

Santa Barbara, CA · 93105

805-451-1756

John J Rodkin

Reg. 54404

Patent agent

San Francisco, CA · 94105

415-618-0216

Alejandra Rodriguez

Reg. 84148

Patent agent

Wilson Sonsini Goodrich & Rosati

Los Angeles, CA · 90067

424-446-6900

April R Rodriguez

Reg. 78646

Patent agent

HRL Laboratories, LLC

Malibu, CA · 90265

310-317-5541

Elena M. Rodriguez

Reg. 75567

Patent agent

Greenberg Traurig LLP

San Diego, CA · 92130

619-848-2518

Gene Louis Rodriguez· Jr

Reg. 51189

Patent attorney

Mission Viejo, CA · 92691

949-310-9366

Jose Roberto Rodriguez

Reg. 69079

Patent attorney

san francisco, CA · 94119

213-894-5696

Manuel J Rodriguez· Jr

Reg. 34709

Patent attorney

Oceanside, CA · 92054

760-433-9009

Michael D Rodriguez

Reg. 53528

Patent attorney

Stryker Corporation

Fremont, CA · 94538

510-594-9436

Ricardo Rodriguez

Reg. 40789

Patent attorney

Cooley Godward, LLP

Palo Alto, CA · 94306

650-843-5000

Roberto K Rodriguez

Reg. 66244

Patent agent

Morrison and Foerster

San Francisco, CA · 94105

415-268-7215

Roberto Rodriguez

Reg. 73774

Patent attorney

Straylight LLP

San Diego, CA · 92122

305-218-5782

Janey Rodriguez Garcia

Reg. 79333

Patent agent

Sonos, Inc.

Goleta, CA · 93117

180-596-53001

Kevin Roe

Reg. 40148

Patent attorney

Law Office Of Kevin Roe

Saratoga, CA · 95070

408-255-3000

Steven G Roeder

Reg. 37227

Patent attorney

Roeder & Broder LLP

La Jolla, CA · 92037

858-456-1951

John D. Roehrick

Reg. 77252

Patent attorney

King & Spalding LLP

Los Angeles, CA · 90071

213-218-4016

Justin L Roettger

Reg. 74483

Patent attorney

Culver City, CA · 90230

715-338-1177

Constance Ann Rogers

Reg. 66180

Patent attorney

Rogers Legal Group

Foothill Ranch, CA · 92610

949-613-3425

Common questions

Do I need a patent attorney based in California?

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 California-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 California?

9,553 active USPTO-registered patent practitioners list a California 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.