Registered patent attorney

Zhigang Rao

USPTO Reg. 63878

Firm

Pfizer Inc.

Address

10555 Science Center Dr,

San Diego, CA, 92121

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Zhigang Rao

  • Is Zhigang Rao a registered patent attorney?

    Yes. Zhigang Rao is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 63878). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Zhigang Rao located?

    Zhigang Rao's office is in San Diego, California (92121). Affiliated with Pfizer Inc..

  • What firm does Zhigang Rao work at?

    Zhigang Rao is listed as affiliated with Pfizer Inc. on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Zhigang Rao?

    Zhigang Rao's office phone (per the USPTO public roster) is 317-498-4643. 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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