Lee & Ko

Hyunsoo Joo

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Practice Areas

International Trade, International Arbitration, Corporate, Customs and Economic Sanctions


Ms. Joo is a partner in International Trade Practice Group. She is highly regarded for her expertise and extensive experience in assisting clients with a broad range of international trade matters including trade remedy, WTO, FTA and ISDS disputes.

She has been recognized as a noted practitioner by the major legal publications including Chambers, and was named “2020 leading lawyer in International Trade” by the LegalTimes in Korea.

Professional Memberships

Korean Bar Association, Seoul Bar Association


Korea Chapter in GAR Know how: Investment Treaty Arbitration 2017, 2018, 2019, 2020 ; Korea Chapter in Getting the Deal Through – Trade & Customs 2016, 2017, 2018, 2019 ; ISDS Case Studies Relating to Energy Charter Treaties (Parkyoungsa Publishing Co., 2016) ;

An Examination of the Investment Chapter of the Executed Canada-EU CETA Following the Lisbon Treaty and Implications for the Korea-EU FTA and BITs (Hongik Law Review, 2013); A Case Study of ICSID Jurisdiction Decision in the Philip Morris v. Uruguay Case Regarding Tobacco Packaging and Labeling Regulations (International Trade Law, 2014)


Yonsei University (Ph.D. in Law, 2014);

Columbia Law School (International Trade Law course, 2005);

Yonsei University (LLM, 2002);

Yonsei University (BA, 1999)