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Expertise
Recently reviewed Professionals
Sujin Jung is a highly regarded litigator and member of our Litigation Group. She has served as Judge and High Court Judge for 20 years in various courts, including Seoul High Court, Seoul Central District Court, Seoul Eastern District Court, and Seoul Southern District Court. She last served as the High Court Judge at Seoul High Court before joining our firm in 2023. During her time at the bench, she presided over numerous cases in various areas of the law and is well-versed in both theory and practice of trial proceedings. Drawing from her extensive judiciary experience, Ms. Jung is known for her exceptional expertise in various areas of the law, particularly in matters relating to antitrust and competition cases, commercial and corporate affairs, corporate criminal cases, construction litigation and real estate disputes, administrative proceedings and family law cases.
Education
2016 Georgetown University, Visiting Scholar
2013 Washington University in St. Louis, LL.M.
2008 Korea University, Graduate School of Law, S.J.D.(Completed Coursework)
2006 Korea University, Graduate School of Law, Master of Law
2003 Judicial Research & Training Institute, Supreme Court of Korea
1999 Korea University, College of Law
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Work Experience
2023-Present Lee & Ko
2019-2023 High Court Judge, Seoul High Court
2019 Member, Dispute Mediation Committee of Seoul Bar Association
2017-2019 Judge, Seoul High Court
2016-2017 Judge, Seoul Central District Court
2016 Member, Board of Bar Examiners
2014-2016 Professor, Judicial Research and Training Institute of the Supreme Court of Korea
2012-2014 Judge, Seoul Southern District Court
2010-2012 Judge, Seongnam Branch of Suwon District Court
2007-2010 Judge, Gangneung Branch of Chuncheon District Court
2005-2007 Judge, Seoul Eastern District Court
2003-2005 Judge, Seoul Central District Court
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Admissions & Qualifications
2003 Admitted to the Korean Bar
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Languages
Korean and English
Publications / Presentations / ETC
Status and Outlook of International Norms (Report on Participation in the 34th UNCITRAL International Conference, Judicial Administration Office, 2018)
Participation in the 34th UNCITRAL Working Group 3 meeting (Investor-State Dispute Settlement System and Permanent International Investment Court Introduction Meeting) (2017)
A Study on Industrial Accident Lawsuit Practice (Chungyeon Journal Vol. 13, Judicial Training Institute Professor's Thesis Collection, 2016)
A Study on Judgment on the Existence of Tortious Acts due to the Disposition of a Portion of Jointly Pledged Property and the Method of Restoration to the Original State (Civil Case Research Vol. 36, Parkyoungsa, 2015)
Responsible for Capacity Enhancement Program at Vietnam Law Training Institute (2015)
Participation in the 30th UNCITRAL Working Group 3 meeting (Meeting on Adoption of ODR Online Dispute Resolution Rules) (2014)
A Study on Consideration of the Exercise Conditions of the Right to Deny in U.S. Federal Bankruptcy Law - Focusing on a Comparison with Korean Integrated Bankruptcy Law- (Foreign Law Training Thesis Collection, Judicial Library, 2014)
A Review on Concept of Negligence in Traffic Accident Lawsuits: Comparison of Negligence as a Joint Illegal Act and Comparative Negligence (Law Review, 2012)
Member of Civil Case Precedent Research Association (2012)
Member of Civil Procedure Law Society (2012)
A Study on Compensation for Damages Resulting from an Insurer of One of the Joint Tortfeasors Paying Damages to the Victim and Statute of Limitations for Extinguishing Claims (Legal Practice Research Vol. 2, Gangwon Law Practice Research Society, 2009)
A Study on Claims for Compensation for Defect Repairs by the Representative Assembly of Residents (Construction Trial Practice forum, Seoul Central District Court, 2006)
A Study on Exercise Conditions of the Right to Deny in Integrated Bankruptcy Law: Comparative Legal Perspective with U.S. Law (Master's Thesis, Korea University, 2005)
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Related news

Deals & Cases

Complete Acquittal in First Instance Trial for Violation of the Serious Accidents Punishment Act 2025.03.06

Deals & Cases

Criminal appeal case regarding the Samsung Electronics carbon dioxide leak accident 2024.11.29

Deals & Cases

Lee & Ko successfully represented the Korean Bar Association and Seoul Bar Association in a landmark decision overturning all KFTC sanctions. 2024.10.24

Press & Releases

[EToday][Legal Update] Why Are You Receiving Dormant Status Deactivation Emails? – Sujin JUNG and Jang Hyun KA, Lee & Ko 2024.08.03

Press & Releases

[Maeil Business Newspaper] Lee & Ko’s dream team of all versatility, including accounting, interpretation, and legal spaces, successfully scored wins in fund redemption and cryptocurrencies lawsuits 2024.04.22

Press & Releases

[Etoday] [Law Firm Insight] Elite Group of Judges Joins Lee & Ko’s Litigation Group and Form the “Legal Avengers” 2024.01.19

Press & Releases

[Legal Times] [2023 Law Firms in Korea] Lee & Ko 2023.11.14

Seminar/Event

Lee & Ko Host Seminar “Analysis of Key Competition Law Precedent” 2023.10.17

Deals & Cases

LG Uplus False Advertising 2023.05.18

Press & Releases

[The Naeil News] Big law firms working on the antitrust field 2023.04.24

Press & Releases

[JoongAng Ilbo] [Law Firm] Traditional ‘Litigation Powerhouse’…Leading the Legal Industry with its Extensive Experience and Expertise – Lee & Ko’s Litigation Practice Group 2023.03.23

Press & Releases

[Aju Business Daily] [Lee & Ko strengthens ability to respond to antitrust criminal investigations into companies, boosting in recruitment] 2023.03.21
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