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Duarte, California

Patent attorneys in Duarte

Duarte, 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 Prolacta Bioscience, Beckman Research Institute of the City of Hope, and City of Hope.

Sangeeta B Cook

Reg. 72582
Patent agent

Beckman Research Institute of the City of Hope

Duarte, CA · 91010

626-471-3791

Michael G. Garelick

Reg. 72902
Patent agent

Prolacta Bioscience

Duarte, CA · 91010

626-599-9260

Matthew J. Grunseth

Reg. 67736
Patent agent

City of Hope

Duarte, CA · 91010

626-471-7221

Hannah G. Largoza

Reg. 80459
Patent agent

Duarte, CA · 91010

323-673-1374

Mary A Mashruwala

Reg. 61707
Patent agent

Prolacta Bioscience

Duarte, CA · 91010

832-496-5979

Common questions

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