As an IP litigator and counsellor, Duck-Soon has extensive experience in all areas of intellectual property law in a wide range of industries. His main areas of interest include IP litigation, antitrust, and international arbitration. Duck-Soon has handled numerous landmark cases in Korea and was the lead counsel in the two largest patent infringement cases in Korean history. He has also been actively involved in IP-related policy making and served as an advisor to both the Korea Fair Trade Commission and the Korea Trade Commission (an equivalent to the U.S. ITC) on IP policy issues. Since 2009, he has been leading the IP Training Institute of the Seoul Bar Association. Duck-Soon graduated from Seoul National University with a bachelor of law degree, and received an LL.M. degree from Harvard Law School. He is admitted to the Korean Bar, and the New York and California Bars. Duck-Soon worked at Latham & Watkins from 1999 to 2000.