Registered patent attorney

Joseph M Hageman

USPTO Reg. 27897

Address

439 Capron Ave

West Covina, CA, 91792

US

Phone

Registered as

Registered patent attorney

Other patent attorneys in West Covina, California

Browse all West Covina patent attorneys →

Frequently asked

Frequently asked about Joseph M Hageman

  • Is Joseph M Hageman a registered patent attorney?

    Yes. Joseph M Hageman is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 27897). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Joseph M Hageman located?

    Joseph M Hageman's office is in West Covina, California (91792).

  • How do I contact Joseph M Hageman?

    Joseph M Hageman's office phone (per the USPTO public roster) is 626-964-9769. 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 16:01 EDT