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Recently reviewed Professionals
Jeong-Ho Sun is a partner at Lee & Ko, and the Co-head of Antitrust & Competition Group of Lee & Ko as well as the Co-head of Platform Regulation Team of Lee & Ko. Mr. Sun advises clients on all matters related to antitrust and competition law of South Korea. He has handled various international cartel cases such as Optical Disk Drive, auto parts, display products and maritime car carriers. He also has been involved in many international and complex merger filing cases including various joint venture projects by electric batteries and related products manufacturers, and many acquisitions in the field of broadcasting and telecommunication companies. He is one of top practitioners especially in the areas of multi-jurisdictional merger filings and cross-border transactions.
Education
2013 University of California, Los Angeles, School of Law - LL.M.
2008 Judicial Research & Training Institute, Supreme Court of Korea
1999 Seoul National University - LL.B.
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Work Experience
2008-Present Lee & Ko
2013-2014 Steptoe &Johnson LLP (Washington DC Office, Foreign Legal Consultant)
2021-Present Vice Chair of LAWASIA Anti-Trust &Competition Law Committee
2022-Present Member, International Competition Network, Merger Working Group
2022. 6. ~ 2022. 10. Member, Merger Filing Legislation Advisory Committee, Korea Fair Trade Commission
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Admissions
2008 Admitted to bar, Korea
2013 Admitted to bar, New York
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Languages
English and Korean
Awards and Recognitions
2024 Recognized as a “Ranked Lawyer” by Chambers Asia (Antitrust & Competition)
2024 Benchmark Litigation: Litigation Star (Competition/Antitrust)
2023~2024 Who’s Who Legal Competition: Recommended
2018~2024 Asialaw, Notable Practitioner (Competition & Antitrust)
2020~2023 Legal Times, Leading Lawyer (Antitrust & Competition)
2018~2022 Who’s Who Legal Competition: Future Leaders Partners
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Publications / Presentations / ETC
'Practical issues regarding Failing Firm Defenses in Merger Control', Journal of Competition Vol 205 (November 2020)
Antitrust regulation on Product Hopping', Journal of Competition Law and Policy Vol 7 (October 2016; co-authored with Jang-Hyun Ka)
'Practical issues regarding multi-jurisdictional merger filing', Journal of Competition Vol 186 (June 2016; co-authored with Juntaek Lee)
'An Analysis of the Casual Connection Between Antitrust Violation and Damages Under the Monopoly Regulation and Fair Trade Act of Korea: Focusing on the U.S. Perspective', Lawyers Association Journal
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Related news

Newsletter

KFTC 2025 Annual Work Plan 2025.01.17

Awards Ranking

'Chambers Asia-Pacific 2025’ Band 1 in 11 practice areas 2024.12.13

Press & Releases

[Korean Economic Daily] Global Survival Strategy…Companies Applying for Antitrust Compliance Program Doubles Compared to Previous Year [Lee & Ko’s Antitrust & Competition Practice Group] 2024.12.12

Deals & Cases

Merger between SAPEON Korea Inc. and Rebellions Inc. 2024.12.01

Press & Releases

[Asia Economy] “Regulation of large corporations under the Monopoly Regulation and Fair Trade Act need to be reassessed as the law reduces corporate value and hinders management efficiency” 2024.11.20

Newsletter

Overview of Recent Changes to Merger Control in Korea 2024.10.23

Newsletter

KOREA FAIR TRADE COMMISSION’S NEW ROADMAP FOR ONLINE PLATFORM REGULATION 2024.09.23

Newsletter

KFTC Issues Administrative Notices for Merger Guidelines 2024.06.25

Newsletter

Amendment to Subcontracting Act 2024.02.23

Deals & Cases

Lee & Ko Secures Unconditional Approval for Hanwha Impact’s Acquisition of HSD Engine Across Multiple Jurisdictions 2024.02.06

Newsletter

Merger Notification Exemptions Expanded 2024.02.01

Newsletter

KFTC proposes ex-ante regulation of platforms under the “Platform Competition Promotion Act” 2023.12.28

Awards Ranking

'Chambers Asia-Pacific 2024’ Band 1 in 13 practice areas 2023.12.15

Newsletter

KFTC Issues Advance Notice on Amendment of Merger Review Guidelines 2023.11.20

Deals & Cases

Aurelius Group Acquires Shares in LSG Sky Chefs Korea Co., Ltd. 2023.10.30

Deals & Cases

LS-L&F Establishment of JV / LS HOLDINGS 2023.08.22

Deals & Cases

Establishment of a Non-Financial Credit Bureau Joint Venture 2023.02.23

Deals & Cases

Establishment of a U.S. Joint Venture “SAPEON Inc.” by and among SK Telecom, SK Hynix and SK Square 2022.01.03

Seminar/Event

'The Lee & Ko Antitrust and Competition Group Webinar Series' 2021.06.10
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