Department of Food Science and Technology, Chung-Ang University (2006)
Biotechnology, Korea University (2011)
WON International Patent & Law Firm (2011~2012)
DANA Patent & Law Firm (2012~2014)
Nam&Nam World Patent & Law Firm (2014~2015)
WE Patent & Law Firm (2016~2024)
JIDAM Patent & Law Firm (2024~2025)
THEWAVE IP Law Firm (2025~)
Biotechnology/Chemistry Field Domestic and International Patent applications and responses to OA