Registered patent attorney

William O Trousdell

USPTO Reg. 38637

Firm

Finnegan Henderson Farabow Garrett & Dunner, LLP

Address

Two Freedom Square

11955 Freedom Drive

Reston, VA, 20190-5675

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about William O Trousdell

  • Is William O Trousdell a registered patent attorney?

    Yes. William O Trousdell is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 38637). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is William O Trousdell located?

    William O Trousdell's office is in Reston, Virginia (20190-5675). Affiliated with Finnegan Henderson Farabow Garrett & Dunner, LLP.

  • What firm does William O Trousdell work at?

    William O Trousdell is listed as affiliated with Finnegan Henderson Farabow Garrett & Dunner, LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact William O Trousdell?

    William O Trousdell's office phone (per the USPTO public roster) is 703-966-3932. 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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