Thousand Oaks, California

Patent attorneys in Thousand Oaks

Thousand Oaks, California is home to 66 USPTO-registered patent practitioners. Working with a local practitioner can streamline in-person meetings for invention disclosures, signing inventor declarations, and reviewing prior-art search results — but every USPTO practitioner is licensed to practice nationally, so a non-local choice is also valid. Local firms with the most USPTO-registered practitioners include Amgen Inc., Amgen, and Amgen, Inc..

Julia E Abers

Reg. 31222

Patent attorney

Thousand Oaks, CA · 91360

805-523-2488

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

Robert J Berry

Reg. 65424

Patent attorney

Thousand Oaks, CA · 91361

805-379-1215

Alla Brukman

Reg. 61254

Patent attorney

Amgen Inc.

Thousand Oaks, CA · 91320

805-447-1000

Joseph W Bulock

Reg. 37103

Patent attorney

Joseph W Bulock LLC

Thousand Oaks, CA · 91360

805-405-5453

Ngam Fung David Chan

Reg. 76820

Patent attorney

Instil Bio Inc.

Thousand Oaks, CA · 91320

714-721-8652

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

John E Dixon

Reg. 51332

Patent attorney

John E. Dixon, Attorney at Law

Thousand Oaks, CA · 91360

805-499-4788

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

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

Gail A Katz

Reg. 53101

Patent attorney

Amgen Inc.

Thousand Oaks, CA · 91320

805-447-9722

Common questions

Do patent attorneys in Thousand Oaks 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 Thousand Oaks tend to track the broader California legal market.

How many USPTO practitioners list a Thousand Oaks office?

66 USPTO-registered patent practitioners list a Thousand Oaks 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 Thousand Oaks practitioner remotely?

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