Registered patent attorney
Sonhwa Sohn
Firm
Sohn, SonHwa
Address
P.O. Box 6066
Alhambra, CA, 91802
US
Phone
Registered as
Registered patent attorney
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Frequently asked about Sonhwa Sohn
Is Sonhwa Sohn a registered patent attorney?
Yes. Sonhwa Sohn is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 45121). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Sonhwa Sohn located?
Sonhwa Sohn's office is in Alhambra, California (91802). Affiliated with Sohn, SonHwa.
What firm does Sonhwa Sohn work at?
Sonhwa Sohn is listed as affiliated with Sohn, SonHwa on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Sonhwa Sohn?
Sonhwa Sohn's office phone (per the USPTO public roster) is 213-380-5939. 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.