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Minjae Yoo is an associate in Lee & Ko’s International Arbitration Team. His practice encompasses a broad range of complex international disputes, including commercial arbitration, investor-state disputes and cross-border litigation, with particular experience in the energy, construction, defence procurement, and shareholder sectors. He regularly advises both domestic and international clients on high-value claims, enforcement of arbitral awards in Korea, and strategic issues arising from global infrastructure and energy projects.

Mr. Yoo is dual-qualified in Korea and England & Wales, and holds Higher Rights of Audience as a Solicitor-Advocate before all senior civil courts in England and Wales. In 2023, he was recognized for his oral advocacy as the winner of the cross-examination competition in the Delos Remote Oral Advocacy Programme (Asia region).

From August 2025 to 2026, Mr. Yoo will pursue advanced legal studies as an LL.M. candidate at Stanford Law School.
Representative Cases
[Commercial and Construction Arbitration]
Acted for the chairman of a Korean conglomerate in international arbitrations concerning shareholder disputes with foreign investors
Represented a Korea-based construction company in an ICC arbitration against an Omani subcontractor regarding LD and cost claims arising from a water treatment project
Represented a Korean government defence procurement agency in an ICC arbitration against a European manufacturer concerning military equipment contracts
Advised an individual in connection with annulment proceedings concerning a multi-party arbitral award
Advised a Korean government agency in annulment proceedings concerning an ICC award seated in Seoul
Represented the chairman of a Korean financial group in post-award enforcement proceedings before the Korean courts, including Supreme Court proceedings and applications for garnishment and attachment orders following an ICC arbitration award
Acted for a global private equity firm in jurisdictional proceedings arising from a KCAB arbitration seated in Seoul
[Investment Arbitration]
Represented the Republic of Korea in multi-billion-dollar investor-state arbitration proceedings brought by US-based hedge funds under bilateral investment treaties
Represented the Republic of Korea in multi-billion-dollar investor-state arbitration proceedings brought by a US-based hedge fund under bilateral investment treaties
Advised a Korean investor on the potential initiation of investor-state arbitration proceedings against a foreign government
[Energy and Construction]
Advised a Korean state-owned infrastructure company on preliminary injunction proceedings before the courts of a Central European jurisdiction in relation to an EPC contract
Advised a Korean state-owned infrastructure company in relation to preliminary negotiations for a cross-border nuclear EPC project
Advised a Korean state-owned infrastructure company in relation to non-disclosure agreements for a large-scale development project
Advised a Korean architectural and engineering firm in relation to subcontract agreements for an overseas development project
Advised a Korean architectural and engineering firm on a consultant agreement for an overseas infrastructure project
Advised a Korean construction company in relation to financing arrangements with an export credit agency for an infrastructure project in Southeast Asia
[Transnational Transactions and Other Disputes-related Work]
Advised a global private equity firm in connection with the winding-up of an investment vehicle
Represented a Korean multinational electronics company in relation to a mediation concerning a joint venture dispute with a foreign counterparty in the electric vehicle sector
Advised a Brazilian automotive company on Korean law issues in connection with a dispute over an exclusive distributorship agreement
Advised a US-based multinational on Korean corporate and commercial law issues in relation to local distributorship agreements
Advised a Korean multinational chemical company on arbitration agreements in a joint venture agreement
Advised a Korean airline on issues of English law in relation to a cross-border aircraft services agreement
Advised a global software provider on Korean aviation law issues in connection with a master services agreement with an Asia-based airline
Advised a foreign investor on the applicability of the UNIDROIT Principles under Korean law, as well as general issues of Korean civil and commercial law
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Education
2019 Yonsei University Law School – J.D.
2016 Yonsei University – B.A. in International Studies
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Work Experience
2019-Present Lee & Ko
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Admissions & Qualifications
2019 Admitted to the Korean Bar (Attorney-at-law)
2023 Admitted as a Solicitor of England and Wales
2024 Solicitor-Advocate, England & Wales (Higher Courts Qualification in Civil Advocacy)
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Languages
Korean and English
Awards & Recognitions
2023 Winner, Remote Oral Advocacy Programme Asia 2023 (Cross-Examination Competition)
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Publications / Presentations / ETC
Panellist, Tips on Oral Advocacy, ICC Young Arbitration and ADR Forum on Career Development as Arbitration Lawyer in Korea (2024)
Panellist, Tips for Newcomers: How to Navigate the Field of International Arbitration, Yonsei Arbitration Day (2023)
"Response Strategies for Construction Delays Caused by the Russia-Ukraine Conflict”, Journal of International Construction, Korea Research Center for Overseas Construction (Co-author with Hyunyang Koo) (2023)
“Confidentiality in International IP Arbitration”, Global Arbitration Review (Co-author with Robert Wachter, Grace Yoon) (2022)
Korea Entry, International Encylopedia of Agency and Distribution Agreements (Co-author with Saemee Kim) (2022)
“A. v. B., District Court of Incheon, Decision No. 2020Na62481, 02 November 2021”, Institute for Transnational Arbitration Report, Volume No. XXI, Issue No. 12, December 2023 (Co-author with Hyunyang Koo) (2023)
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