Registered patent agent

Yuan Guo

USPTO Reg. 69421

Firm

Loza & Loza LLP

Address

305 N. Second Ave. #127

Upland, CA, 91786

US

Phone

Registered as

Registered patent agent

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Frequently asked

Frequently asked about Yuan Guo

  • Is Yuan Guo a registered patent attorney?

    Yuan Guo is a registered patent agent (USPTO Registration Number 69421). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.

  • Where is Yuan Guo located?

    Yuan Guo's office is in Upland, California (91786). Affiliated with Loza & Loza LLP.

  • What firm does Yuan Guo work at?

    Yuan Guo is listed as affiliated with Loza & Loza LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Yuan Guo?

    Yuan Guo's office phone (per the USPTO public roster) is 714-453-9824. 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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