SOUTH KOREA Trends and Developments
Trends and Developments Contributed by: Sang Oh Jeon, Hee Jae Lee, Chiyeol Kim and Seokmin Song Yoon & Yang LLC Yoon & Yang LLC provides one-stop full legal services that are tailored to clients’ needs, allowing the firm to respond proactively to market changes and offer in - novative solutions. The firm’s competition & antitrust group is one of the biggest antitrust and competition groups in South Korea, which consists of 18 partners, over 30 associates, and four expert advisers. Many of the members of the group have had more than ten years of experience in the field. The firm has repre - sented global industry leaders for matters involving
regulations on abuse of market dominance, cartels, mergers, resale price maintenance, and unfair busi - ness practices, handled by the KFTC or the competi - tion authorities of other jurisdictions. The roster of the firm’s clients represents the international reputation that the firm has earned based on its expertise and diligence. The firm’s clients include Microsoft, Qual - comm, Apple, UTC, Bosch, sanofi-aventis, Samsung, LG, Hyundai Motors, SK, Hanwha, and Korean Air.
Authors
Sang Oh Jeon is a partner at Yoon & Yang LLC, and head of the competition & antitrust group. His main practice area is antitrust & competition, with approximately 20 years of experience. He has advised not only major South
Chiyeol Kim is a partner at Yoon & Yang LLC, specialising in competition law and policy. He previously served in various divisions of the Korea Fair Trade Commission (KFTC), including the Public Disclosure Division, the
Korean conglomerates such as Samsung, Hyundai Motors, SK, LG, Hanwha, GS, LS, and Hyundai Department Store but also major multinational corpo - rations such as UBS and Panasonic in responding to the Korea Fair Trade Commission’s investigations regarding various issues including cartels, unfair trade practices, violation of the Subcontracting Act, the retail business law, and the franchise business law.
Holding Company Division, the Business Group and M&A Policy Division, and the Special Investigation Team. He handled cases involving unfair related- party transactions and disclosure of large-scale internal transactions, as well as policy development for holding companies and corporate venture capital (CVC) systems. In 2024, he also worked on several high-profile cases as part of the KFTC’s newly established Special Investigation Team.
Hee Jae Lee is a partner at Yoon & Yang LLC, focusing on antitrust and competition law. She has extensive experience from an 18-year tenure at
Seokmin Song is a senior associate at Yoon & Yang LLC, focusing on laws regulated by the Korea Fair Trade Commission (KFTC), including the Monopoly Regulation and Fair Trade Act, the Fair Transactions in
the Korea Fair Trade Commission (KFTC), where she held senior roles including deputy director and director in departments such as the Consumer Policy Bureau, the Cartel Investigation Bureau, and the Office of General Counsel. Her work encompassed investigations, deliberations, and litigations under the Monopoly Regulation and Fair Trade Act, Fair Transactions in Subcontracting Act, and other key regulations. With her in-depth KFTC experience, she is well-equipped to offer expert legal solutions in complex antitrust and competition issues.
Subcontracting, Large Retail Business, and Franchise Business Act. He has dedicated six years to this field, gaining deep experience across various issues and successfully leading numerous cases. He handles KFTC investigations and deliberations, as well as related litigations.
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