Registered patent attorney
Hongsun Yoon
Firm
LG Electronics U.S.A., Inc.
Address
1425 K St.,NW
Ste. 1010
Washington, DC, 20005
US
Phone
Registered as
Registered patent attorney
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Frequently asked
Frequently asked about Hongsun Yoon
Is Hongsun Yoon a registered patent attorney?
Yes. Hongsun Yoon is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 57390). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Hongsun Yoon located?
Hongsun Yoon's office is in Washington, District of Columbia (20005). Affiliated with LG Electronics U.S.A., Inc..
What firm does Hongsun Yoon work at?
Hongsun Yoon is listed as affiliated with LG Electronics U.S.A., Inc. on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Hongsun Yoon?
Hongsun Yoon's office phone (per the USPTO public roster) is 202-220-6812. 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.