Registered patent attorney

Hal Sanders GwinJr

USPTO Reg. 33242

Firm

Shumaker & Sieffert, P.A.

Address

1625 Radio Drive

Suite 300

Woodbury, MN, 55125

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Hal Sanders Gwin

  • Is Hal Sanders Gwin a registered patent attorney?

    Yes. Hal Sanders Gwin is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 33242). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Hal Sanders Gwin located?

    Hal Sanders Gwin's office is in Woodbury, Minnesota (55125). Affiliated with Shumaker & Sieffert, P.A..

  • What firm does Hal Sanders Gwin work at?

    Hal Sanders Gwin is listed as affiliated with Shumaker & Sieffert, P.A. on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Hal Sanders Gwin?

    Hal Sanders Gwin's office phone (per the USPTO public roster) is 651-286-8361. 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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