Limited recognition

Zhan John Cao

USPTO Reg. L1167

Firm

Womble Bond Dickinson (US) LLP

Address

1279 Oakmead Pkwy

Sunnyvale, CA, 94085

US

Phone

Registered as

Limited recognition

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Frequently asked

Frequently asked about Zhan John Cao

  • Is Zhan John Cao a registered patent attorney?

    Zhan John Cao is registered with the United States Patent and Trademark Office under Registration Number L1167 as a USPTO-registered practitioner.

  • Where is Zhan John Cao located?

    Zhan John Cao's office is in Sunnyvale, California (94085). Affiliated with Womble Bond Dickinson (US) LLP.

  • What firm does Zhan John Cao work at?

    Zhan John Cao is listed as affiliated with Womble Bond Dickinson (US) LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Zhan John Cao?

    Zhan John Cao's office phone (per the USPTO public roster) is 408-341-3033. 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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