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Chatsworth, California

Patent attorneys in Chatsworth

Chatsworth, California is home to 7 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 H F Plus, Dytran Instruments, Inc., and Freilich, Hornbaker & Rosen.

H. Clark Bell

Reg. 40908
Patent agent

H F Plus

Chatsworth, CA · 91311

818-882-7811

Pablo E Ferreiro Garcia

Reg. 63454
Patent agent

Dytran Instruments, Inc.

Chatsworth, CA · 91311

818-478-0660

Arthur Freilich

Reg. 19281
Patent attorney

Freilich, Hornbaker & Rosen

Chatsworth, CA · 91311

818-678-6408

Keith Lowell Johnson

Reg. 34630
Patent attorney

Chatsworth, CA · 91311

818-882-3237

Kwangjun Kim

Reg. 43335
Patent agent

Benest Law Office PC

Chatsworth, CA · 91311

646-886-2038

Anooj M Patel

Reg. 70365
Patent attorney

Chatsworth, CA · 91311

818-256-6586

Svapnaben Patel

Reg. 67671
Patent agent

Chatsworth, CA · 91311

818-272-1673

Common questions

Do patent attorneys in Chatsworth 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 Chatsworth tend to track the broader California legal market.
How many USPTO practitioners list a Chatsworth office?
7 USPTO-registered patent practitioners list a Chatsworth 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 Chatsworth practitioner remotely?
Yes. All filings happen through USPTO's electronic Patent Center — no in-person presence is required. A Chatsworth-based practitioner is convenient for local inventor signings and in-person meetings but not a requirement for representation.
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