Registered patent attorney

Steven Mark Ritchey

USPTO Reg. 46321

Firm

Thompson Coburn LLP

Address

One US Bank Plaza

St. Louis, MO, 63101

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Steven Mark Ritchey

  • Is Steven Mark Ritchey a registered patent attorney?

    Yes. Steven Mark Ritchey is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 46321). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Steven Mark Ritchey located?

    Steven Mark Ritchey's office is in St. Louis, Missouri (63101). Affiliated with Thompson Coburn LLP.

  • What firm does Steven Mark Ritchey work at?

    Steven Mark Ritchey is listed as affiliated with Thompson Coburn LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Steven Mark Ritchey?

    Steven Mark Ritchey's office phone (per the USPTO public roster) is 314-552-6232. 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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