Registered patent attorney

James D Harper

USPTO Reg. 51781

Firm

Armstrong Teasdale, LLP

Address

7700 Forsyth Blvd.

Suite 1800

Saint Louis, MO, 53105-1847

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about James D Harper

  • Is James D Harper a registered patent attorney?

    Yes. James D Harper is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 51781). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is James D Harper located?

    James D Harper's office is in Saint Louis, Missouri (53105-1847). Affiliated with Armstrong Teasdale, LLP.

  • What firm does James D Harper work at?

    James D Harper is listed as affiliated with Armstrong Teasdale, LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact James D Harper?

    James D Harper's office phone (per the USPTO public roster) is 314-621-5070. 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.

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