Registered patent agent
Sijia Liu
Address
900 Saint Francis Blvd
Apt 1121
Daly City, CA, 94015
US
Phone
Registered as
Registered patent agent
Frequently asked
Frequently asked about Sijia Liu
Is Sijia Liu a registered patent attorney?
Sijia Liu is a registered patent agent (USPTO Registration Number 84344). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is Sijia Liu located?
Sijia Liu's office is in Daly City, California (94015).
How do I contact Sijia Liu?
Sijia Liu's office phone (per the USPTO public roster) is 919-996-0728. 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.