Registered patent attorney

John F Hayden

USPTO Reg. 37640

Firm

Fish & Richardson P.C.

Address

1000 Maine Avenue, SW

Suite 1000

Washington, DC, 20024

US

Phone

Registered as

Registered patent attorney

Other attorneys at Fish & Richardson P.C.

Other patent attorneys in Washington, District of Columbia

Browse all Washington patent attorneys →

Frequently asked

Frequently asked about John F Hayden

  • Is John F Hayden a registered patent attorney?

    Yes. John F Hayden is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 37640). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is John F Hayden located?

    John F Hayden's office is in Washington, District of Columbia (20024). Affiliated with Fish & Richardson P.C..

  • What firm does John F Hayden work at?

    John F Hayden is listed as affiliated with Fish & Richardson P.C. on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact John F Hayden?

    John F Hayden's office phone (per the USPTO public roster) is 202-783-5070. 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 20:45 EDT