ZIP 94558
Patent attorneys in ZIP code 94558 · California
ZIP code 94558 in California has 5 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 Law Offices of Gerald L. Robertson & Associates.
All practitioners
Paul M. Berard
Reg. 59715Patent agent
Napa, CA · 94558
707-257-8117
Andrew C Greenberg
Reg. 38476Patent attorney
Napa, CA · 94558
813-334-64440
Anne E Huffsmith
Reg. 57041Patent attorney
Napa, CA · 94558
415-938-7453
Gerald L Robertson
Reg. 37224Patent attorney
Law Offices of Gerald L. Robertson & Associates
Napa, CA · 94558
707-226-2616
Howard L Speight
Reg. 37733Patent attorney
Napa, CA · 94558
713-465-2340
Common questions
Do patent attorneys in ZIP 94558 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 94558 tend to track the broader California legal market.
How many USPTO practitioners list a ZIP 94558 office?
5 USPTO-registered patent practitioners list a ZIP 94558 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 94558 practitioner remotely?
Yes. All filings happen through USPTO's electronic Patent Center — no in-person presence is required. A ZIP 94558-based practitioner is convenient for local inventor signings and in-person meetings but not a requirement for representation.