Registered patent attorney
Helen Liu
Address
1410 Millbrae Avenue, Suite 301
Millbrae, CA, 94030
US
Phone
Registered as
Registered patent attorney
Frequently asked
Frequently asked about Helen Liu
Is Helen Liu a registered patent attorney?
Yes. Helen Liu is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 69780). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Helen Liu located?
Helen Liu's office is in Millbrae, California (94030).
How do I contact Helen Liu?
Helen Liu's office phone (per the USPTO public roster) is 909-319-3887. 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.