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.

All practitioners

Eric M Agovino

Reg. 61903

Patent attorney

Amgan Inc.

Thousand Oaks, CA · 91320

805-447-0464

Markus Bergauer

Reg. 74328

Patent attorney

Amgen Inc.

Thousand Oaks, CA · 91320-1799

805-447-6504

Kimberly L Berkowski

Reg. 65017

Patent attorney

Amgen Inc.

Thousand Oaks, CA · 91320-1799

180-531-32533

Alla Brukman

Reg. 61254

Patent attorney

Amgen Inc.

Thousand Oaks, CA · 91320

805-447-1000

Gabriele E. Bugaisky

Reg. 61081

Patent agent

Newbury Park, CA · 91320

805-375-0309

Lawrence B Bugaisky

Reg. 35086

Patent attorney

Newbury Park, CA · 91320

805-375-0309

Ngam Fung David Chan

Reg. 76820

Patent attorney

Instil Bio Inc.

Thousand Oaks, CA · 91320

714-721-8652

Monique L Cordray

Reg. 34802

Patent attorney

Camarillo, CA · 91320

805-479-0762

Craig A Crandall

Reg. 38416

Patent attorney

Craig A Crandall, APC

Newbury Park, CA · 91320

805-405-3121

Jonathan M Dermott

Reg. 48608

Patent attorney

Amgen Inc.

Thousand Oaks, CA · 91320-1799

805-447-4371

J Drew Diamond

Reg. 46664

Patent attorney

Amgen Inc.

Thousand Oaks, CA · 91320

805-447-3541

Joan D Eggert

Reg. 32980

Patent attorney

Amgen Inc.

Thousand Oaks, CA · 91320

805-447-1000

James Franklin Fleming

Reg. 57332

Patent attorney

Entralta P.C.

Thousand Oaks, CA · 91320

858-304-0202

Bernard P Friedrichsen

Reg. 44689

Patent attorney

Amgen Inc.

Thousand Oaks, CA · 91320

805-447-0628

Paula S Fritsch

Reg. 58095

Patent attorney

Amgen Inc.

Thousand Oaks, CA · 91320

805-447-9350

Emily J Gardel

Reg. 75744

Patent attorney

Amgen Inc.

Thousand Oaks, CA · 91320-1789

617-390-4338

Timothy J Gaul

Reg. 33111

Patent attorney

Amgen Inc.

Thousand Oaks, CA · 91320

805-447-2688

Bilyana P Georgieva

Reg. 59175

Patent attorney

Amgen Inc.

Thousand Oaks, CA · 91320-1799

424-422-6971

Jackson P Gerber

Reg. 75582

Patent attorney

Newbury Park, CA · 91320

310-988-5645

Nancy Jean Gettel

Reg. 57481

Patent attorney

Amgen, Inc.

Thousand Oaks, CA · 91320

805-447-9923

Melissa R. Gibson

Reg. 80315

Patent attorney

Amgen

Thousand Oaks, CA · 91320

805-233-5200

Christina N Gifford

Reg. 44122

Patent attorney

Amgen

Thousand Oaks, CA · 91320

805-447-2797

John M Grohs

Reg. 56768

Patent attorney

Thousand Oaks, CA · 91320

805-377-7823

Guylaine Hache

Reg. 76083

Patent attorney

Amgen Inc.

Thousand Oaks, CA · 91320

312-324-1752

William H Hartwell

Reg. 70040

Patent attorney

Amgen Inc.

Thousand Oaks, CA · 91320-1789

608-709-6110

Vicki Lynn Healy

Reg. 48343

Patent attorney

Amgen

Thousand Oaks, CA · 91320

805-447-3630

Petrina Sze-Wai Hsi

Reg. 38496

Patent attorney

Amgen, Inc.

Thousand Oaks, CA · 91320

805-447-8631

Mark N Hurvitz

Reg. 54193

Patent attorney

Amgen Inc.

Thousand Oaks, CA · 91320

805-447-3482

Emily C. Johnson

Reg. 60269

Patent attorney

Amgen

Thousand Oaks, CA · 91320

805-477-0150

Brian Kao

Reg. 73790

Patent attorney

Amgen Inc.

Thousand Oaks, CA · 91320

212-596-9330

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.