Registered patent attorney

Bert Black

USPTO Reg. 47427

Firm

Schaefer Law Firm

Address

400 S. 4th Street

Suite 202

Minneapolis, MN, 55415

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Bert Black

  • Is Bert Black a registered patent attorney?

    Yes. Bert Black is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 47427). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Bert Black located?

    Bert Black's office is in Minneapolis, Minnesota (55415). Affiliated with Schaefer Law Firm.

  • What firm does Bert Black work at?

    Bert Black is listed as affiliated with Schaefer Law Firm on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Bert Black?

    Bert Black's office phone (per the USPTO public roster) is 612-294-2600. 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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