Registered patent agent

Katherine L Ross

USPTO Reg. 77589

Firm

Armstrong Teasdale, LLP

Address

7700 Forsyth Boulevard

Suite 1800

St. Louis, MO, 63105

US

Phone

Registered as

Registered patent agent

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Frequently asked

Frequently asked about Katherine L Ross

  • Is Katherine L Ross a registered patent attorney?

    Katherine L Ross is a registered patent agent (USPTO Registration Number 77589). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.

  • Where is Katherine L Ross located?

    Katherine L Ross's office is in St. Louis, Missouri (63105). Affiliated with Armstrong Teasdale, LLP.

  • What firm does Katherine L Ross work at?

    Katherine L Ross is listed as affiliated with Armstrong Teasdale, LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Katherine L Ross?

    Katherine L Ross'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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