Trademark Examiner, International Trademarks Division, Trademark Examination Department, KIPO | Office Director, Metropolitan Area Industrial Property Protection Division, Industrial Property Policy Department, KIPO
Passed the 55th Patent Bar of Korea | Patent Attorney, Esung IP & Law Firm | Patent Attorney, Eruum&Leeon IP Law Firm
Passed the 55th Patent Bar of Korea | Patent Attorney, Shinwon Patent &Law Firm | Patent Attorney, Eruum&Leeon IP Law Firm
Passed the 55th Patent Bar of Korea | Patent Attorney, 5T International Patent &Law Firm | Patent Attorney, Eruum&Leeon IP Law Firm
Passed the 56th Patent Bar of Korea | Associate Research Engineer, LG CNS | Patent Attorney, Eruum&Leeon IP Law Firm