Registered patent attorney

John Andrew Kastelic

USPTO Reg. 34635

Firm

Eaton Corporation

Address

1000 Eaton Blvd., Mail Code 4N

Cleveland, OH, 44122

US

Phone

Registered as

Registered patent attorney

Other attorneys at Eaton Corporation

Other patent attorneys in Cleveland, Ohio

Browse all Cleveland patent attorneys →

Frequently asked

Frequently asked about John Andrew Kastelic

  • Is John Andrew Kastelic a registered patent attorney?

    Yes. John Andrew Kastelic is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 34635). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is John Andrew Kastelic located?

    John Andrew Kastelic's office is in Cleveland, Ohio (44122). Affiliated with Eaton Corporation.

  • What firm does John Andrew Kastelic work at?

    John Andrew Kastelic is listed as affiliated with Eaton Corporation on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact John Andrew Kastelic?

    John Andrew Kastelic's office phone (per the USPTO public roster) is 440-523-4136. 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 15:20 EDT