Registered patent attorney

Zhiwei Cai

USPTO Reg. 84691

Firm

KPPB LLP

Address

21 Miller Alley

Suite 210

Pasadena, CA, 91105

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Zhiwei Cai

  • Is Zhiwei Cai a registered patent attorney?

    Yes. Zhiwei Cai is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 84691). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Zhiwei Cai located?

    Zhiwei Cai's office is in Pasadena, California (91105). Affiliated with KPPB LLP.

  • What firm does Zhiwei Cai work at?

    Zhiwei Cai is listed as affiliated with KPPB LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Zhiwei Cai?

    Zhiwei Cai's office phone (per the USPTO public roster) is 949-288-0877. 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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