Registered patent attorney
Yen Phi Chau
Firm
Greenan, Peffer, Sallander & Lally LLP
Address
6111 Bollinger Canyon Road, Suite 500
San Ramon, CA, 94583
US
Phone
Registered as
Registered patent attorney
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Frequently asked
Frequently asked about Yen Phi Chau
Is Yen Phi Chau a registered patent attorney?
Yes. Yen Phi Chau is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 51045). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Yen Phi Chau located?
Yen Phi Chau's office is in San Ramon, California (94583). Affiliated with Greenan, Peffer, Sallander & Lally LLP.
What firm does Yen Phi Chau work at?
Yen Phi Chau is listed as affiliated with Greenan, Peffer, Sallander & Lally LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Yen Phi Chau?
Yen Phi Chau's office phone (per the USPTO public roster) is 925-866-1000. 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.