Registered patent attorney

Jon R Stark

USPTO Reg. 30111

Firm

Chao Hadidi Stark & Barker LLP

Address

770 Menlo Avenue

Suite 205

Menlo Park, CA, 94025

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Jon R Stark

  • Is Jon R Stark a registered patent attorney?

    Yes. Jon R Stark is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 30111). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Jon R Stark located?

    Jon R Stark's office is in Menlo Park, California (94025). Affiliated with Chao Hadidi Stark & Barker LLP.

  • What firm does Jon R Stark work at?

    Jon R Stark is listed as affiliated with Chao Hadidi Stark & Barker LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Jon R Stark?

    Jon R Stark's office phone (per the USPTO public roster) is 650-325-0220. Verify availability and intake details directly with the firm before sending privileged materials.

  • Should I prepare anything before contacting a patent attorney?

    Yes — most patent attorneys quote based on a brief. Persoona's intellectual property module generates a prior-art analysis, defensibility scorecard, and a draft USPTO filing package so you arrive with a brief, not a blank slate. Free to run.

Profile sourced from the USPTO OEDCI Practitioner Roster. Persoona did not provide, edit, or curate this data — every field is pulled directly from the public roster.

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