Registered patent attorney
Sophia S Chang
Firm
University of California, San Francisco
Address
185 Berry Street
Suite 4603
San Francisco, CA, 94107
US
Phone
Registered as
Registered patent attorney
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Frequently asked
Frequently asked about Sophia S Chang
Is Sophia S Chang a registered patent attorney?
Yes. Sophia S Chang is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 69407). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Sophia S Chang located?
Sophia S Chang's office is in San Francisco, California (94107). Affiliated with University of California, San Francisco.
What firm does Sophia S Chang work at?
Sophia S Chang is listed as affiliated with University of California, San Francisco on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Sophia S Chang?
Sophia S Chang's office phone (per the USPTO public roster) is 415-514-6204. 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.