ZIP 92121

Patent attorneys in ZIP code 92121 · California

ZIP code 92121 in California has 289 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 Qualcomm Inc. and Qualcomm Incorporated.

All practitioners

James Hunt Yancey· Jr

Reg. 53809

Patent attorney

QUALCOMM,INC.

San Diego, CA · 92121-1714

858-845-7534

Changwoo Yang

Reg. 73037

Patent agent

Qualcomm Incorporated

San Diego, CA · 92121

858-845-5442

Kunyong Yang

Reg. 64629

Patent attorney

Jones Day

San Diego, CA · 92121

858-314-1148

Yanling Yang

Reg. 72489

Patent attorney

QUALCOMM INCORPORATED

San Diego, CA · 92121

858-531-5684

Daniel K. Yarbrough

Reg. 70158

Patent attorney

Element Biosciences, Inc.

San Diego, CA · 92121

619-353-0300

Feng Ye

Reg. 74324

Patent agent

Jones Day

San Diego, CA · 92121

858-314-1175

Heejong Yoo

Reg. 63511

Patent attorney

Qualcomm Inc.

San Diego, CA · 92121

858-651-8186

Roberta A Young

Reg. 53818

Patent attorney

Jaquez, Land, Greenhaus & McFarland

San Diego, CA · 92121

442-349-7560

David Hadi Youssefi

Reg. 44002

Patent attorney

Sony Online Entertainment LLC

San Diego, CA · 92121

858-577-3338

Lin Yu

Reg. 57083

Patent attorney

Jones Day

San Diego, CA · 92121

858-314-1128

Beyong H Yuu

Reg. 60578

Patent attorney

Qualcomm Incorporated

San Diego, CA · 92121

858-651-5308

Danlu Zhang

Reg. 79528

Patent attorney

Qualcomm Inc.

San Diego, CA · 92121

858-220-9383

Guang Y. Zhang

Reg. 70901

Patent attorney

Qualcomm

San Diego, CA · 92121

858-658-3493

Rongtian Zhang

Reg. 71773

Patent attorney

Qualcomm, Inc.

San Diego, CA · 92121

858-845-7370

Janshon Zhu

Reg. 40260

Patent agent

HT Laboratories, Inc.

San Diego, CA · 92121

858-677-9432

Peng Zhu

Reg. 48063

Patent attorney

Qualcomm Incorporated

San Diego, CA · 92121

858-658-2389

Bryan C Zielinski

Reg. 34462

Patent attorney

Pfizer Inc

San Diego, CA · 92121

858-755-5925

Nerrie M Zohn

Reg. 55761

Patent attorney

Qualcomm Inc.

San Diego, CA · 92121

858-651-9704

Yixiong Zou

Reg. 59551

Patent agent

Qualcomm Inc.

San Diego, CA · 92121-1714

858-845-8723

Common questions

Do patent attorneys in ZIP 92121 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 92121 tend to track the broader California legal market.

How many USPTO practitioners list a ZIP 92121 office?

289 USPTO-registered patent practitioners list a ZIP 92121 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 92121 practitioner remotely?

Yes. All filings happen through USPTO's electronic Patent Center — no in-person presence is required. A ZIP 92121-based practitioner is convenient for local inventor signings and in-person meetings but not a requirement for representation.