West Hills, California
Patent attorneys in West Hills
West Hills, California is home to 5 USPTO-registered patent practitioners. Working with a local practitioner can streamline in-person meetings for invention disclosures, signing inventor declarations, and reviewing prior-art search results — but every USPTO practitioner is licensed to practice nationally, so a non-local choice is also valid. Local firms with the most USPTO-registered practitioners include John J Casparro Patent Svcs.
John Joseph Casparro
Reg. 29139Patent agent
John J Casparro Patent Svcs
West Hills, CA · 91307
818-992-4067
David C Diamond
Reg. 47524Patent agent
West Hills, CA · 91304
818-470-4020
Jonathan R Glicksberg
Reg. 68045Patent agent
West Hills, CA · 91307
818-703-1649
Jayanta K Guha
Reg. 66137Patent agent
West Hills, CA · 91307
818-610-8926
Andrea E. Lopez Giraldo
Reg. 84141Patent agent
West Hills, CA · 91307
818-299-4428
Common questions
Do patent attorneys in West Hills 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 West Hills tend to track the broader California legal market.
How many USPTO practitioners list a West Hills office?
5 USPTO-registered patent practitioners list a West Hills 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 West Hills practitioner remotely?
Yes. All filings happen through USPTO's electronic Patent Center — no in-person presence is required. A West Hills-based practitioner is convenient for local inventor signings and in-person meetings but not a requirement for representation.