Admitted 2000     School of Electrical Engineering, Seoul National University (2001) Intensive course on technology valuation, Korea Valuation Association (2006) YOU ME Patent & Law Firm (2001~2007.6.) Member of the Board of Review for Patent Examination (2001) Korean Certified Valuation Analysts (2006~) Christie, Parker & Hale, LLP (CA, USA) (2006) PanKorea Patent & Law Firm (2007.7~2009. 3.) Court Expert Adviser (2009~) YOU ME Patent & Law Firm (2009.4. ~) Asian Patent Attorneys Association; Korean Patent and Trademark Attorneys Association; Korea Valuation Association;