Registered patent attorney
Peter W Chien
Address
1333 Wentworth Avenue
Pasadena, CA, 91106
US
Phone
Registered as
Registered patent attorney
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Frequently asked
Frequently asked about Peter W Chien
Is Peter W Chien a registered patent attorney?
Yes. Peter W Chien is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 44076). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Peter W Chien located?
Peter W Chien's office is in Pasadena, California (91106).
How do I contact Peter W Chien?
Peter W Chien's office phone (per the USPTO public roster) is 626-795-6935. 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.