Registered patent attorney

Joshua R Matthews

USPTO Reg. 64304

Address

465 Columbus Ave.

Suite 330

Valhalla, NY, 10595

US

Phone

Registered as

Registered patent attorney

Other patent attorneys in Valhalla, New York

Browse all Valhalla patent attorneys →

Frequently asked

Frequently asked about Joshua R Matthews

  • Is Joshua R Matthews a registered patent attorney?

    Yes. Joshua R Matthews is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 64304). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Joshua R Matthews located?

    Joshua R Matthews's office is in Valhalla, New York (10595).

  • How do I contact Joshua R Matthews?

    Joshua R Matthews's office phone (per the USPTO public roster) is 914-495-9563. 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.

build 4315ed5 · 2026-05-22 17:20 EDT