Registered patent attorney

Jonathan Hangartner

USPTO Reg. 55244

Firm

X-Patents, APC

Address

5670 La Jolla Blvd.

La Jolla, CA, 92037

US

Phone

Registered as

Registered patent attorney

Other patent attorneys in La Jolla, California

Browse all La Jolla patent attorneys →

Frequently asked

Frequently asked about Jonathan Hangartner

  • Is Jonathan Hangartner a registered patent attorney?

    Yes. Jonathan Hangartner is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 55244). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Jonathan Hangartner located?

    Jonathan Hangartner's office is in La Jolla, California (92037). Affiliated with X-Patents, APC.

  • What firm does Jonathan Hangartner work at?

    Jonathan Hangartner is listed as affiliated with X-Patents, APC on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Jonathan Hangartner?

    Jonathan Hangartner's office phone (per the USPTO public roster) is 858-454-4313. 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 19:52 EDT