Registered patent attorney
Yongjin Choi
Firm
Xencor, Inc.
Address
465 North Halstead Street, Suite 200
Pasadena, CA, 91107
US
Phone
Registered as
Registered patent attorney
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- Andrew A AnissiUSPTO Reg. 57316
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Frequently asked
Frequently asked about Yongjin Choi
Is Yongjin Choi a registered patent attorney?
Yes. Yongjin Choi is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 61915). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Yongjin Choi located?
Yongjin Choi's office is in Pasadena, California (91107). Affiliated with Xencor, Inc..
What firm does Yongjin Choi work at?
Yongjin Choi is listed as affiliated with Xencor, Inc. on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Yongjin Choi?
Yongjin Choi's office phone (per the USPTO public roster) is 626-737-8156. 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.