Registered patent attorney

John S Ferrell

USPTO Reg. 34593

Address

411 BOREL AVE

SUITE 603

SAN MATEO, CA, 94402

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about John S Ferrell

  • Is John S Ferrell a registered patent attorney?

    Yes. John S Ferrell is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 34593). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is John S Ferrell located?

    John S Ferrell's office is in SAN MATEO, California (94402).

  • How do I contact John S Ferrell?

    John S Ferrell's office phone (per the USPTO public roster) is 650-906-6926. 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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