ZIP 94520
Patent attorneys in ZIP code 94520 · California
ZIP code 94520 in California has 6 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 Bielen, Lampe & Thoeming and Kyocera Document Solutions Development America, Inc..
All practitioners
Theodore J Bielen· Jr
Reg. 27420Patent attorney
Bielen, Lampe & Thoeming
Concord, CA · 94520
925-288-9720
Marilyn Harper
Reg. 67677Patent attorney
Concord, CA · 94520
775-232-8021
Thomas Raymond Lampe
Reg. 22454Patent attorney
Bielen, Lampe & Thoeming
Concord, CA · 94520
925-288-9720
Shingo Misaki
Reg. L1320Limited recognition
Kyocera Document Solutions Development America, Inc.
Concord, CA · 94520
925-771-3134
Brian Alan Schar
Reg. 45076Patent attorney
CrossPond Law
Concord, CA · 94520
650-269-9456
Tomoyuki Tanaka
Reg. 52273Patent attorney
Concord, CA · 94520
510-663-3691
Common questions
Do patent attorneys in ZIP 94520 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 94520 tend to track the broader California legal market.
How many USPTO practitioners list a ZIP 94520 office?
6 USPTO-registered patent practitioners list a ZIP 94520 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 94520 practitioner remotely?
Yes. All filings happen through USPTO's electronic Patent Center — no in-person presence is required. A ZIP 94520-based practitioner is convenient for local inventor signings and in-person meetings but not a requirement for representation.