Registered patent attorney

Sean A Kaufhold

USPTO Reg. 46820

Address

P.O. Box 89626

Sioux Falls, SD, 57109

US

Phone

Registered as

Registered patent attorney

Other patent attorneys in Sioux Falls, South Dakota

Browse all Sioux Falls patent attorneys →

Frequently asked

Frequently asked about Sean A Kaufhold

  • Is Sean A Kaufhold a registered patent attorney?

    Yes. Sean A Kaufhold is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 46820). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Sean A Kaufhold located?

    Sean A Kaufhold's office is in Sioux Falls, South Dakota (57109).

  • How do I contact Sean A Kaufhold?

    Sean A Kaufhold's office phone (per the USPTO public roster) is 605-334-1571. 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.

build 4315ed5 · 2026-05-22 14:36 EDT