Registered patent attorney

John H Ambrose

USPTO Reg. 64371

Firm

Harness Dickey & Pierce, P.L.C.

Address

11730 Plaza America Drive

Suite 600

Reston, VA, 20190

US

Phone

Registered as

Registered patent attorney

Other attorneys at Harness Dickey & Pierce, P.L.C.

Other patent attorneys in Reston, Virginia

Browse all Reston patent attorneys →

Frequently asked

Frequently asked about John H Ambrose

  • Is John H Ambrose a registered patent attorney?

    Yes. John H Ambrose is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 64371). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is John H Ambrose located?

    John H Ambrose's office is in Reston, Virginia (20190). Affiliated with Harness Dickey & Pierce, P.L.C..

  • What firm does John H Ambrose work at?

    John H Ambrose is listed as affiliated with Harness Dickey & Pierce, P.L.C. on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact John H Ambrose?

    John H Ambrose's office phone (per the USPTO public roster) is 703-668-8026. 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 14:31 EDT