Registered patent attorney

Stefan Knirr

USPTO Reg. 65474

Firm

Wolf, Greenfield & Sacks

Address

605 Third Avenue

New York, NY, 10158

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Stefan Knirr

  • Is Stefan Knirr a registered patent attorney?

    Yes. Stefan Knirr is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 65474). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Stefan Knirr located?

    Stefan Knirr's office is in New York, New York (10158). Affiliated with Wolf, Greenfield & Sacks.

  • What firm does Stefan Knirr work at?

    Stefan Knirr is listed as affiliated with Wolf, Greenfield & Sacks on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Stefan Knirr?

    Stefan Knirr's office phone (per the USPTO public roster) is 212-849-3359. 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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