ZIP 91001
Patent attorneys in ZIP code 91001 · California
ZIP code 91001 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 Law Office of Melanie Calvert.
All practitioners
Melanie A Calvert
Reg. 31595Patent attorney
Law Office of Melanie Calvert
Altadena, CA · 91001
626-497-4543
Brian M. Cook
Reg. 59356Patent agent
Altadena, CA · 91001
626-794-9284
Gabriel Norden Hanover· II
Reg. 33708Patent attorney
Altadena, CA · 91001
310-534-0959
Karin Elizabeth Loyola
Reg. 35976Patent attorney
Altadena, CA · 91001
626-375-6490
Kristin M Petherbridge
Reg. 52117Patent agent
Altadena, CA · 91001
626-201-7325
Christopher A Richardson
Reg. 68741Patent attorney
Altadena, CA · 91001
626-222-6176
Common questions
Do patent attorneys in ZIP 91001 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 91001 tend to track the broader California legal market.
How many USPTO practitioners list a ZIP 91001 office?
6 USPTO-registered patent practitioners list a ZIP 91001 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 91001 practitioner remotely?
Yes. All filings happen through USPTO's electronic Patent Center — no in-person presence is required. A ZIP 91001-based practitioner is convenient for local inventor signings and in-person meetings but not a requirement for representation.