Persoona.ai

South San Francisco, California

Patent attorneys in South San Francisco

South San Francisco, California is home to 128 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 Genentech, Septerna, Inc., and AMGEN INC..

Andrew P. Whitehead

Reg. 62447
Patent attorney

Genentech

South San Francisco, CA · 94080-4918

650-225-3536

Mark A Wilson

Reg. 43275
Patent attorney

Septerna, Inc.

South San Francisco, CA · 94080

650-338-3533

Connie Wong

Reg. 62901
Patent attorney

AMGEN INC.

South San Francisco, CA · 94080

650-244-2523

Jenny J Yeh

Reg. 60610
Patent attorney

Pfizer Inc.

South San Francisco, CA · 94080

650-615-7451

Stephanie A Yonker

Reg. 58528
Patent attorney

Alector, LLC

South San Francisco, CA · 94080

415-231-5660

Hanna H. Yoon

Reg. 72307
Patent attorney

Denali Therapeutics

South San Francisco, CA · 94080

650-866-8548

Chen Zhao

Reg. 79254
Patent agent

South San Francisco, CA · 94080

650-335-7634

Gregory M Zinkl

Reg. 48492
Patent attorney

Genentech, Inc.

South San Francisco, CA · 94080

650-922-2382

Common questions

Do patent attorneys in South San Francisco 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 South San Francisco tend to track the broader California legal market.
How many USPTO practitioners list a South San Francisco office?
128 USPTO-registered patent practitioners list a South San Francisco 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 South San Francisco practitioner remotely?
Yes. All filings happen through USPTO's electronic Patent Center — no in-person presence is required. A South San Francisco-based practitioner is convenient for local inventor signings and in-person meetings but not a requirement for representation.
build 4315ed5 · 2026-05-22 17:55 EDT