Registered patent attorney

Brett A. Klein

USPTO Reg. 64448

Firm

Winthrop & Weinstine, P.A.

Capella Tower, Suite 3500

Address

225 S. 6th Street

Minneapolis, MN, 55402

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Brett A. Klein

  • Is Brett A. Klein a registered patent attorney?

    Yes. Brett A. Klein is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 64448). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Brett A. Klein located?

    Brett A. Klein's office is in Minneapolis, Minnesota (55402). Affiliated with Winthrop & Weinstine, P.A..

  • What firm does Brett A. Klein work at?

    Brett A. Klein is listed as affiliated with Winthrop & Weinstine, P.A. on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Brett A. Klein?

    Brett A. Klein's office phone (per the USPTO public roster) is 612-604-6392. 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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