ZIP 94123
Patent attorneys in ZIP code 94123 · California
ZIP code 94123 in California has 7 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 Rosenfeld Law Corporation.
All practitioners
Zephyr F Andrew
Reg. 68602Patent attorney
San Francisco, CA · 94123
415-335-9626
John E Bargero
Reg. 50017Patent attorney
San Francisco, CA · 94123
415-474-9488
Brenda H. Entzminger
Reg. 76896Patent attorney
San Francisco, CA · 94123
415-425-5230
Lawrence J Fassler
Reg. 47556Patent attorney
San Francisco, CA · 94123
415-928-6325
Kelvin K. Kakugawa
Reg. 61620Patent agent
San Francisco, CA · 94123
415-305-3005
Catherine Cecilia Maresh
Reg. 35268Patent attorney
San Francisco, CA · 94123
415-717-3655
Mitchell S Rosenfeld
Reg. 36258Patent attorney
Rosenfeld Law Corporation
San Francisco, CA · 94123
415-928-3853
Common questions
Do patent attorneys in ZIP 94123 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 94123 tend to track the broader California legal market.
How many USPTO practitioners list a ZIP 94123 office?
7 USPTO-registered patent practitioners list a ZIP 94123 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 94123 practitioner remotely?
Yes. All filings happen through USPTO's electronic Patent Center — no in-person presence is required. A ZIP 94123-based practitioner is convenient for local inventor signings and in-person meetings but not a requirement for representation.