ZIP 91320

Patent attorneys in ZIP code 91320 · California

ZIP code 91320 in California has 62 USPTO-registered patent practitioners listed at addresses inside the ZIP. Every practitioner shown holds an active license to practice before the US Patent and Trademark Office. Local offices include Amgen Inc. and Amgen Inc.

All practitioners

Gail A Katz

Reg. 53101

Patent attorney

Amgen Inc.

Thousand Oaks, CA · 91320

805-447-9722

Sarah M. Korman

Reg. 60105

Patent attorney

AMGEN INC.

Thousand Oaks, CA · 91320-1799

805-447-4061

Lois Marie Kwasigroch

Reg. 35579

Patent attorney

Amgen Inc.

Thousand Oaks, CA · 91320-1799

805-447-6265

Thomas F. Lavery

Reg. 73021

Patent attorney

Amgen Inc.

Thousand Oaks, CA · 91320

805-447-7259

Eunice Yoojin Lee

Reg. 74217

Patent agent

Amgen

Thousand Oaks, CA · 91320

516-729-6604

Elsa Djuardi Lemoine

Reg. 45963

Patent attorney

Amgen Inc

Thousand Oaks, CA · 91320

805-447-3278

Susan Elaine Lingenfelter

Reg. 41156

Patent attorney

Amgen Inc

Thousand Oaks, CA · 91320

805-313-3010

Charles C Liu

Reg. 53226

Patent agent

Thousand Oaks, CA · 91320

Lauren M. Mangano Drenkard

Reg. 76779

Patent attorney

Amgen Inc.

Thousand Oaks, CA · 91320

555-120-80047

Randolph N Mohr

Reg. 45590

Patent attorney

Amgen Inc.

Thousand Oaks, CA · 91320

805-447-8949

Kimberlin L Morley

Reg. 35391

Patent attorney

Amgen Inc.

Thousand Oaks, CA · 91320

805-447-5375

Richard Vaughn Person

Reg. 42991

Patent attorney

Amgen, Inc

Thousand Oaks, CA · 91320

805-447-3299

Angela L. Purcell

Reg. 60642

Patent attorney

Amgen Inc.

Thousand Oaks, CA · 91320-1799

805-313-2511

Robert T Ramos

Reg. 37915

Patent attorney

Thousand Oaks, CA · 91320

805-409-7157

Ashley Y. Reddy

Reg. 79127

Patent attorney

Newbury Park, CA · 91320

805-410-0279

G. Prabhakar Reddy

Reg. 47890

Patent attorney

Amgen, Inc.

Thousand Oaks, CA · 91320

805-447-3288

Jeffrey S Schoenwald

Reg. 60602

Patent agent

Thousand Oaks, CA · 91320

805-844-3347

Dennis J. Smith

Reg. 69885

Patent attorney

Amgen Inc.

Thousand Oaks, CA · 91320-1799

808-447-9045

Margareta K. Sorenson

Reg. 71601

Patent attorney

Amgen Inc.

Thousand Oaks, CA · 91320

215-206-0402

Steven D. Tang

Reg. 65877

Patent attorney

Amgen, Inc.

Newbury Park, CA · 91320

805-447-2760

Megan N. Thobe

Reg. 75453

Patent attorney

Amgen Inc.

Thousand Oaks, CA · 91320

805-313-7318

Mui A Tran

Reg. 80255

Patent agent

Amgen Inc.

Thousand Oaks, CA · 91320-1789

805-881-8389

Paul B Tran

Reg. 41565

Patent agent

Amgen, Inc.,

Thousand Oaks, CA · 91320

805-447-9768

Letitia A. Walker

Reg. 68726

Patent attorney

Amgen

Thousand Oaks, CA · 91320-1799

805-313-3679

Stuart L Watt

Reg. 32511

Patent attorney

Amgen Inc.

Thousand Oaks, CA · 91320

805-447-2154

Peter D Weinstein

Reg. 43251

Patent attorney

One3 IP Management P.C.

Newbury Park, CA · 91320

805-444-7865

Christopher W West

Reg. 74724

Patent attorney

Amgen, Inc

Thousand Oaks, CA · 91320

919-906-5228

Wendy A Whiteford

Reg. 36964

Patent attorney

Amgen Inc.

Thousand Oaks, CA · 91320

805-447-1008

Robert B Winter

Reg. 34458

Patent agent

Amgen Inc.

Thousand Oaks, CA · 91320

805-447-2425

Chelsea E. Witte-Garcia

Reg. 75713

Patent attorney

Amgen Inc

Thousand Oaks, CA · 91320

858-914-7304

Common questions

Do patent attorneys in ZIP 91320 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 ZIP 91320 tend to track the broader California legal market.

How many USPTO practitioners list a ZIP 91320 office?

62 USPTO-registered patent practitioners list a ZIP 91320 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 ZIP 91320 practitioner remotely?

Yes. All filings happen through USPTO's electronic Patent Center — no in-person presence is required. A ZIP 91320-based practitioner is convenient for local inventor signings and in-person meetings but not a requirement for representation.