Registered patent attorney

Joseph A Lanahan

USPTO Reg. 47732

Firm

Armstrong Teasdale LLP

Address

One Metropolitan Square, Suite 2600

St. Louis, MO, 63102

US

Phone

Registered as

Registered patent attorney

Other attorneys at Armstrong Teasdale LLP

Other patent attorneys in St. Louis, Missouri

Browse all St. Louis patent attorneys →

Frequently asked

Frequently asked about Joseph A Lanahan

  • Is Joseph A Lanahan a registered patent attorney?

    Yes. Joseph A Lanahan is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 47732). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Joseph A Lanahan located?

    Joseph A Lanahan's office is in St. Louis, Missouri (63102). Affiliated with Armstrong Teasdale LLP.

  • What firm does Joseph A Lanahan work at?

    Joseph A Lanahan is listed as affiliated with Armstrong Teasdale LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Joseph A Lanahan?

    Joseph A Lanahan'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.

build 4315ed5 · 2026-05-22 17:54 EDT