Limited recognition

Xu Jin

USPTO Reg. 800168

Firm

Calfee Halter & Griswold, LLP

The Calfee Building

Address

1405 East 6th Street

Cleveland, OH, 44114

US

Phone

Registered as

Limited recognition

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Frequently asked

Frequently asked about Xu Jin

  • Is Xu Jin a registered patent attorney?

    Xu Jin is registered with the United States Patent and Trademark Office under Registration Number 800168 as a USPTO-registered practitioner.

  • Where is Xu Jin located?

    Xu Jin's office is in Cleveland, Ohio (44114). Affiliated with Calfee Halter & Griswold, LLP.

  • What firm does Xu Jin work at?

    Xu Jin is listed as affiliated with Calfee Halter & Griswold, LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Xu Jin?

    Xu Jin's office phone (per the USPTO public roster) is 213-255-8198. 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.

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