International Arbitration 2026

SOUTH KOREA Law and Practice Contributed by: Eun Young Park, Zac Sharpe, Joon Won Lee and Yoo Lim Oh, Lee & Ko

Lee & Ko has one of the leading international arbitra - tion practices in Asia, with its IA team having been at the forefront of international arbitration in Korea for over 30 years. Leveraging the firm’s independent re - sources, including over 800 professionals, 40 practice groups, and 80 specialised teams across our offices in three countries, Lee & Ko has provided one-stop solutions for more than 240 disputes. Through these quality resources, the firm’s IA team has significant

experience in conducting arbitrations under the rules of all major arbitration institutions, including the AAA, HKIAC, ICC, JCAA, KCAB, LCIA, SCC, and SIAC as well as ad hoc arbitrations under the Korean Arbitra - tion Act and the UNCITRAL Arbitration Rules. The IA team also has extensive experience in the domes - tic enforcement of arbitral awards and foreign court judgments. Lee & Ko represents clients from various backgrounds in complex and high-profile cases.

Authors

Eun Young Park is a senior partner at Lee & Ko and chair of the Global Disputes Group. Mr Park is a highly distinguished dispute resolution lawyer with expertise in international arbitration. His arbitration practice

Joon Won Lee specialises in international arbitration and has extensive experience across multiple sectors, including construction, infrastructure, energy, private capital, defence, pharmaceuticals and foreign

covers a broad legal spectrum, including M&A, finance and insurance, infrastructure, energy, joint ventures, IP and technology, bio-industry, and investments. Mr Park served as vice-president of the LCIA Court and as vice-chair of the IBA Arbitration Committee. He recently retired from the SIAC Court of Arbitration where he served as a court member for ten years. Mr Park has consistently achieved top rankings as a “Leading Lawyer” in Chambers Asia-Pacific for International Arbitration. jurisdictions, with a focus on international arbitration and enforcement proceedings. He has lived and worked in Asia for nearly two decades and his practice covers energy, engineering and construction, investor–state, health care/life sciences, technology, joint venture and M&A disputes. Mr Sharpe has acted as counsel in multibillion-dollar disputes and in arbitration proceedings at major arbitration centres across Asia, Europe, the Middle East, and North America. Prior to joining Lee & Ko, Mr Sharpe worked in Singapore for nearly a decade and led the global disputes team at Jones Day. Zac Sharpe has extensive experience handling high-stake, complex international disputes across multiple

direct investment. His practice encompasses representing sovereign and private clients in international arbitration proceedings, obtaining arbitration-related injunctive relief, and handling recognition and enforcement of arbitral awards as well as set-aside proceedings. Prior to joining Lee & Ko, Mr Lee served as a public service advocate in the International Legal Affairs Division at the Korean Ministry of Justice. He has also been appointed as a Young ICSID Regional Delegate for South Asia, East Asia and the Pacific.

Yoo Lim Oh is a member of Lee & Ko’s International Arbitration Team. Ms Oh handles a wide spectrum of arbitration matters under the rules of major institutions, including the KCAB, SIAC, and ICC. Her practice

also extends to the recognition and enforcement of foreign arbitral awards and court judgments within the Republic of Korea. She regularly advises clients on inbound and outbound cross-border disputes across various industries, including commercial matters, construction, and investor–state disputes.

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