ZIP 91356
Patent attorneys in ZIP code 91356 · California
ZIP code 91356 in California has 4 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 Marvin H. Kleinberg and Rozsa Law Group LC.
All practitioners
Payam P Aghabala
Reg. 50885Patent agent
Tarzana, CA · 91356
818-881-4849
Marvin H Kleinberg
Reg. 18402Patent attorney
Marvin H. Kleinberg
TARZANA, CA · 91356
818-667-5328
Thomas Igor Rozsa
Reg. 29210Patent attorney
Rozsa Law Group LC
Tarzana, CA · 91356-3346
818-783-0990
Nisan A Steinberg
Reg. 40345Patent attorney
Law Offices of Nisan Steinberg
Tarzana, CA · 91356
310-866-7817
Common questions
Do patent attorneys in ZIP 91356 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 91356 tend to track the broader California legal market.
How many USPTO practitioners list a ZIP 91356 office?
4 USPTO-registered patent practitioners list a ZIP 91356 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 91356 practitioner remotely?
Yes. All filings happen through USPTO's electronic Patent Center — no in-person presence is required. A ZIP 91356-based practitioner is convenient for local inventor signings and in-person meetings but not a requirement for representation.