Registered patent attorney

Yi Yao

USPTO Reg. 69658

Firm

DeHeng Law Offices

Address

7901 Stoneridge Drive

#208

Pleasanton, CA, 94588

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Yi Yao

  • Is Yi Yao a registered patent attorney?

    Yes. Yi Yao is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 69658). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Yi Yao located?

    Yi Yao's office is in Pleasanton, California (94588). Affiliated with DeHeng Law Offices.

  • What firm does Yi Yao work at?

    Yi Yao is listed as affiliated with DeHeng Law Offices on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Yi Yao?

    Yi Yao's office phone (per the USPTO public roster) is 925-399-5856. 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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