Registered patent attorney
Bert Black
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.