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Recently reviewed Professionals
As a member of Lee & Ko's International Arbitration Team, Hyunyang Koo handles a broad range of international arbitration and cross-border litigation matters involving international construction, software license agreements, military projects, international sports-related disputes, distributorship agreements and etc. Prior to joining Lee & Ko in 2016, she worked at Samsung C&T legal team (international construction), where she handled legal affairs and advice regarding various offshore construction contracts in Australia, North America, South-East Asia, and Middle East. In Lee & Ko, her main area of practice includes international arbitration cases at leading arbitral institutions such as ICC, LCIA, KCAB, SHIAC, CAS as well as ad hoc arbitrations and cross-border litigations.

Ms Koo is also an active member of the international arbitration society and has been appointed as a member of the YSIAC Council, Regional Ambassador for HK45 and a member of Steering Committee for Young MCIA.

“She is very diligent with a strong focus on international construction arbitration” – Who’s Who Legal Arbitration (National Guide) 2023
Representative Cases
Represented a Korea-based construction company against an Omani company in relation to a water sewage plant project regarding delay and cost claim in an ad-hoc arbitration
Represented a Korea-based construction company against an Omani subcontractor in relation to a water sewage plant project regarding LD claim and cost claim in an ICC arbitration
Represented a Korea-based construction company against an Egyptian subcontractor regarding delay and cost claim in an ICC arbitration
Represented a Swiss construction company against a Korean subcontractor in relation to a plant project in Abu Dhabi regarding LD claim and cost claim in a KCAB arbitration
Represented an Austrian construction company against a Korean subcontractor regarding delay and cost claim in a KCAB arbitration
Represented a Korean electric power company against a Japanese manufacturing subcontractor regarding damage claim in a KCAB arbitration
Represented a Korean rolling stock company against an Indian railway manufacturing company regarding licensing agreement in an ICC arbitration
Represented a Korean electronics company against an American software company regarding withholding tax matter in an ICC arbitration
Represented a Korean telecommunication company against a global software company regarding licensing agreement in an ICC arbitration
Represented a Korean government-owned electric utility company against a global software company regarding licensing agreement in an ICC arbitration
Represented Tae Hwan Park, a Korean athlete in the Court of Arbitration for Sport (CAS) in relation to a ban from participating in the Rio Olympic Games
Represented a Japanese short-track speed skater in the Court of Arbitration for Sport (CAS) in relation to a provisional ban from participating in the Pyeongchang Winter Olympic Games
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Education
2022 UC Berkeley School of Law (LL.M)
2016 Seoul National University, Graduate School of Law
2014 Judicial Research and Training Institute, Supreme Court of Korea
2012 College of Law, Yonsei University - LL.B
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Work Experience
2022.9-2023.2. Herbert Smith Freehills (Hong Kong) (Secondment)
2016-Present Lee & Ko
2014-2016 Samsung C&T
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Admissions
2014 Admitted to bar, Korea
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Languages
Korean and English
Awards and Recognitions
2024 Ranked “Future Leaders ‒ Partners” by Who's Who Legal Arbitration (Global)
2023 Ranked “Recommended” by Who’s Who Legal Arbitration (Korea)
2021 Named “Rising Stars 2021” by Legal Times
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Publications / Presentations / ETC
“Construction project delay due to Russia-Ukraine War - What are the options under FIDIC, English law and Russian law?”, International Contractors Association of Korea Journal, International Contractors Association of Korea (2023)(co-author)
“International Construction Project Contracts and Bonds – On-demand bonds and others”, K-BUILD Journal, International Contractors Association of Korea (2022)
“COVID-19 – A Force Majeure or Something Else?”, Korean Arbitration Review 12th Issue, KCAB International (2021)(co-author)
“Attorney-Client Privilege Guide, Korea Chapter”, LexMundi (2020)(co-author)
“The Baker & McKenzie International Yearbook 2019, Korea Chapter”, Juris Publishing (2019)(co-author)
“The Baker & McKenzie International Yearbook 2018, Korea Chapter”, Juris Publishing (2018)(co-author)
“South Korea, in Guideposts to Third Party Funding in International Arbitration”, Juris Publishing (2018)(co-author)
YSIAC Committee Council (2023-Present)
HKIAC Regional Ambassador (2023-Present)
Young MCIA Steering Committee (2023-Present)
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