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 Wilson Sonsini Goodrich & Rosati, Futurewei Technologies, Inc, and Zoox, Inc..

Top cities in California

All practitioners in California

Jinghua K Tang

Reg. 53672

Patent attorney

Futurewei Technologies, Inc

Santa Clara, CA · 95050

408-330-5367

Johnny Tang

Reg. 72130

Patent attorney

Zoox, Inc.

Foster City, CA · 94404

571-272-4097

Lei Tang

Reg. 60684

Patent agent

PERKINS COIE LLP

Santa Monica, CA · 90404

310-788-3311

Steven D. Tang

Reg. 65877

Patent attorney

Amgen, Inc.

Newbury Park, CA · 91320

805-447-2760

Sunyong Tang

Reg. 75008

Patent attorney

Neogene Therapeutics, Inc.

Santa Monica, CA · 90404

310-633-0483

Uyen N Tang

Reg. 68987

Patent attorney

BECKMAN COULTER, INC.

Brea, CA · 92821

714-961-4310

Wanli Tang

Reg. 70737

Patent attorney

Jones Day

San Diego, CA · 92121

858-314-1185

Wei Tang

Reg. 75272

Patent agent

Morrison & Foerster LLP

San Francisco, CA · 94105

415-268-6347

Xiaodan Tang

Reg. L1401

Limited recognition

Squire Patton Boggs (US) LLP

Palo Alto, CA · 94304

650-335-4921

Yang Tang

Reg. 55663

Patent attorney

Pacific Biosciences

Menlo Park, CA · 94025

619-489-0638

Young A Tang

Reg. 55665

Patent agent

Sheppard, Mullin, Richter & Hampton, LLP

Los Angeles, CA · 90071

858-720-8900

Virginia M Tanis

Reg. 80591

Patent agent

Vista, CA · 92083

760-845-9250

Boris G Tankhilevich

Reg. 38689

Patent attorney

Law Offices Of Boris G. Tankhilevich

Walnut Creek, CA · 94596

925-954-8998

Lorna L Tanner

Reg. 50782

Patent attorney

Sheppard Mullin Richter & Hampton LLP

Palo Altos, CA · 94301

650-815-2658

Uale Taotafa

Reg. 81075

Patent agent

Wilson Sonsini Goodrich & Rosati

San Diego, CA · 92130

858-245-3700

James D Tario

Reg. 65059

Patent attorney

San Mateo, CA · 94401

415-680-8432

Thomas E Tarr

Reg. 47128

Patent attorney

Mountain View, CA · 94043

650-938-2994

Anthony J Tartaglio

Reg. 69166

Patent attorney

Pasadena, CA · 91107

626-695-5843

Edwin P Tarver

Reg. 53674

Patent attorney

Lauson & Tarver LLP

El Segundo, CA · 90245

310-726-0892

Vincent P Tassinari

Reg. 42179

Patent attorney

IRVINE, CA · 92612-2621

657-499-5671

Rita Emily Tautkus

Reg. 53901

Patent attorney

Morgan, Lewis & Bockius LLP

San Francisco, CA · 94105

415-442-1000

Michael F Taveira

Reg. 62637

Patent agent

Foley & Lardner LLP

Los Angeles, CA · 90071

213-972-4597

Brandon H Tavshanjian

Reg. 76285

Patent agent

Wilson Sonsini Goodrich & Rosati

San Francisco, CA · 94107

415-947-2475

James W. Taylor· II

Reg. 67035

Patent attorney

Invoke IP

Danville, CA · 94526

650-374-0454

Jeremy J Taylor

Reg. 73912

Patent attorney

Baker Botts, LLP

San Francisco, CA · 94111

415-291-6202

Kerry S Taylor

Reg. 43947

Patent attorney

San Diego, CA · 92129

858-349-5964

Rebecca D Taylor

Reg. 53678

Patent agent

Belmont, CA · 94002

650-759-4373

Robert M Taylor· Jr

Reg. 19848

Patent attorney

Law Office of Robert M. Taylor, JR

San Juan Capistrano, CA · 92675

949-481-6230

Robert B Taylor

Reg. 65780

Patent attorney

Ziff Davis, Inc.

Los Angeles, CA · 90064

310-954-9090

Ronald L Taylor

Reg. 27161

Patent attorney

Rancho Palos, CA · 90275

310-377-1464

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.