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Prior to joining Lee & Ko in 2021, Dajoo Jung sat as a Judge or Presiding Judge in the Korean Judiciary for 16 years. During his term on the bench, he has presided over numerous cases at the Seoul Central District Court, Suwon District Court, Uijeongbu District Court, Busan District Court, and Ulsan District Court. Besides having litigation experience, Mr. Jung gained extensive experience and perspective in the judicial administration of a wide variety of high-profiled cases, parliamentary related affairs, and international affairs while working as the Director of Planning and Coordination at the National Court Administration, Supreme Court of Korea.

Drawing on this deep judicial background, Mr. Jung’s practice at Lee & Ko encompasses a wide range of complex litigation and advisory matters, including corporate-criminal cases, management control and hostile takeover disputes, banking, securities and finance-related litigation, construction and real estate disputes, administrative litigation, and family and inheritance cases.

Mr. Jung has recently achieved full acquittals in high-profile cases involving alleged violations of the Financial Investment Services and Capital Markets Act (market manipulation) arising from a major entertainment company acquisition, and violations of the Act on the Aggravated Punishment of Specific Economic Crimes (embezzlement) involving a prominent food group chairman. He has also successfully defended clients in criminal proceedings concerning cryptocurrency price manipulation and sexual harassment allegations against senior executives of IT companies.

In addition, Mr. Jung has represented corporations in large-scale civil and shareholder litigation, including injunctions related to control disputes, shareholder class actions following embezzlement and accounting fraud, and consumer group actions. His recent representations also include victories in shareholder return-of-shares claims and preliminary injunctions to prohibit unlawful corporate actions in hostile M&A contexts.

With his rare combination of trial acumen, administrative insight, and corporate litigation experience, Mr. Jung brings a uniquely balanced perspective to dispute resolution in Korea’s most complex and sensitive matters.
学歴
2012 George Washington University Law School - LL.M.
2009 Seoul National University - Completed the course of Master's degree of Tax Law
2002 Judicial Research & Training Institute, Supreme Court of Korea
2000 Seoul National University, College of Law - LL.B.
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経歴
2021-Present Lee & Ko
2019-2021 Presiding Judge, Uijeongbu District Court
2017-2019 Presiding Judge, Ulsan District Court
2015-2017 Judge, Seoul Central District Court
2013-2015 Director of Planning and Coordination at Planning and Coordination Office, National Court Administration, Supreme Court of Korea / Judge, Suwon District Court
2009-2013 Judge, Busan District Court
2007-2009 Judge, Seoul Central District Court
2005-2007 Judge, Suwon District Court
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資格/会員
2002 Admitted to the Korean Bar
Academy of Private Case Law Studies
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言語
Korean and English
受賞実績
2026 Selected as a 'Litigation Star' by Benchmark Litigation Asia-Pacific (Commercial and transactions)
2026 Selected as a 'Future Star' by Benchmark Litigation Asia-Pacific (Product liability and recall)
2026 Selected as a 'Ranked Lawyer' by Chambers Global (Dispute Resolution: Litigation, Band 4)
2026 Selected as a 'Ranked Lawyer' by Chambers Asia-Pacific (Dispute Resolution: Litigation)
2025 Selected as a 'Litigation Star' by Benchmark Litigation Asia-Pacific (Commercial and transactions, Product liability and recall)
2025 Selected as a 'Ranked Lawyer' by Chambers Global (Dispute Resolution: Litigation, Eminent Practitioners)
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著書/活動
Practice for Compensation for Damages [Transportation and Industrial Accidents] (2017)
Desirable Sentencing for Criminal Cases (2016)
Trial Notes by Criminal Cases (2011)
The Inseparability and Interrelationship between the Right to Use a Site and the Ownership of the Sectional Part of a Building (2009)
Expansion of Criminal Law through the Special Criminal Law (2015)
Whether the Animation is Pornography for Children and Youth (2015)
The Meaning of 'Exercise of Tangible Power' and Degree of Harassment in the Sexual Harassment (2015)
Introduction of Supreme Court Judgment of the United States on GPS Location Tracking Without Writ (2012)
Perjury or Sentence of Innocence (2010)
Estimation of Inheritance of Disposition Property before the Start Date of Inheritance (2008)
Issues in the Tax Law related to the Misappropriation of Corporate Property by Corporate Employees (2007)
Problems regarding the Application of the Zero Value-added Tax rate to Anomalous Transactions of Prohibited Money (2007)
History of Corporate Tax Laws related to Debt Conversion (2007)
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Full Acquittal in Capital Markets Act Prosecution (SM Market Manipulation Case) 2025.10.21

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