Registered patent agent
Hee Sung Yoon
Address
4520 Pennsylvania Ave. #102
La Crescenta, CA, 91214
US
Phone
Registered as
Registered patent agent
Other patent attorneys in La Crescenta, California
- Lena A BasileNeumedicines, LLC
- Michelle BiglarianUSPTO Reg. 72987
- James E CurryThe Law Offices of James E. Curry
- Daniel C. FullertonUSPTO Reg. 69773
- Joseph P HelgesonUSPTO Reg. 71469
- Griffin S. LeeThe Law Office of Griffin Lee, APC
- Joshua C WadeUSPTO Reg. 70790
Frequently asked
Frequently asked about Hee Sung Yoon
Is Hee Sung Yoon a registered patent attorney?
Hee Sung Yoon is a registered patent agent (USPTO Registration Number 57278). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is Hee Sung Yoon located?
Hee Sung Yoon's office is in La Crescenta, California (91214).
How do I contact Hee Sung Yoon?
Hee Sung Yoon's office phone (per the USPTO public roster) is 213-598-4531. 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.