Registered patent attorney

James E ArmstrongIV

USPTO Reg. 42266

Firm

Troutman Pepper Locke LLP

Address

401 9th Street NW

Suite 1000

Washington, DC, 20004

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about James E Armstrong

  • Is James E Armstrong a registered patent attorney?

    Yes. James E Armstrong is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 42266). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is James E Armstrong located?

    James E Armstrong's office is in Washington, District of Columbia (20004). Affiliated with Troutman Pepper Locke LLP.

  • What firm does James E Armstrong work at?

    James E Armstrong is listed as affiliated with Troutman Pepper Locke LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact James E Armstrong?

    James E Armstrong's office phone (per the USPTO public roster) is 202-478-7375. 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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