Registered patent attorney
Yigong Justin Chen
Address
330 Port Royal Avenue
Foster City, CA, 94404
US
Phone
Registered as
Registered patent attorney
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Frequently asked
Frequently asked about Yigong Justin Chen
Is Yigong Justin Chen a registered patent attorney?
Yes. Yigong Justin Chen is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 52730). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Yigong Justin Chen located?
Yigong Justin Chen's office is in Foster City, California (94404).
How do I contact Yigong Justin Chen?
Yigong Justin Chen's office phone (per the USPTO public roster) is 650-580-9793. 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.