Registered patent attorney

Katrina A Witschen

USPTO Reg. 59862

Firm

Dicke, Billig & Czaja. PLLC

Address

Fifth Street Towers, Suite 2250

100 South Fifth Street

Minneapolis, MN, 55402

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Katrina A Witschen

  • Is Katrina A Witschen a registered patent attorney?

    Yes. Katrina A Witschen is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 59862). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Katrina A Witschen located?

    Katrina A Witschen's office is in Minneapolis, Minnesota (55402). Affiliated with Dicke, Billig & Czaja. PLLC.

  • What firm does Katrina A Witschen work at?

    Katrina A Witschen is listed as affiliated with Dicke, Billig & Czaja. PLLC on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Katrina A Witschen?

    Katrina A Witschen's office phone (per the USPTO public roster) is 612-573-2000. 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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