Registered patent agent
John Youngfu Chen
Address
11389 Tartan Trail Road
HIiisborough, CA, 94010-7200
US
Phone
Registered as
Registered patent agent
Frequently asked
Frequently asked about John Youngfu Chen
Is John Youngfu Chen a registered patent attorney?
John Youngfu Chen is a registered patent agent (USPTO Registration Number 29782). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is John Youngfu Chen located?
John Youngfu Chen's office is in HIiisborough, California (94010-7200).
How do I contact John Youngfu Chen?
John Youngfu Chen's office phone (per the USPTO public roster) is 650-558-0333. 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.