Registered patent attorney
Yi Yao
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.