Registered patent attorney

Charles Michael GegenheimerJr

USPTO Reg. 33387

Firm

C. Michael Gegenheimer LLC

Address

1304 Norwell Drive

Columbus, OH, 43220

US

Phone

Registered as

Registered patent attorney

Other patent attorneys in Columbus, Ohio

Browse all Columbus patent attorneys →

Frequently asked

Frequently asked about Charles Michael Gegenheimer

  • Is Charles Michael Gegenheimer a registered patent attorney?

    Yes. Charles Michael Gegenheimer is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 33387). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Charles Michael Gegenheimer located?

    Charles Michael Gegenheimer's office is in Columbus, Ohio (43220). Affiliated with C. Michael Gegenheimer LLC.

  • What firm does Charles Michael Gegenheimer work at?

    Charles Michael Gegenheimer is listed as affiliated with C. Michael Gegenheimer LLC on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Charles Michael Gegenheimer?

    Charles Michael Gegenheimer's office phone (per the USPTO public roster) is 614-432-4935. 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 17:54 EDT