Registered patent agent

David H Humphrey

USPTO Reg. 64154

Address

9124 Christopher Street

Fairfax, VA, 22031

US

Phone

Registered as

Registered patent agent

Other patent attorneys in Fairfax, Virginia

Browse all Fairfax patent attorneys →

Frequently asked

Frequently asked about David H Humphrey

  • Is David H Humphrey a registered patent attorney?

    David H Humphrey is a registered patent agent (USPTO Registration Number 64154). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.

  • Where is David H Humphrey located?

    David H Humphrey's office is in Fairfax, Virginia (22031).

  • How do I contact David H Humphrey?

    David H Humphrey's office phone (per the USPTO public roster) is 703-403-9588. 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 17:55 EDT