Competition/Antitrust
South Korea
1 year ranked
Competition/Antitrust
South Korea
1 year ranked
Provided by D&A LLC
Ms. Jeong Ran LEE is a managing partner at D&A LLC and the head of the Antitrust & Competition Practice Group. Her practice is primarily focused on Antitrust & Competition, Corporate Law, Administrative Procedure & Litigation, Environmental, Social & Governance (ESG), and the Serious Accidents Punishment Act.
Ms. Lee has extensive experience advising on domestic and foreign cartel cases, abuse of market dominance, and general unfair trade practices, and worked on deliberations by the Korea Fair Trade Commission and handled legal representation. In addition, she dealt with a number of cases regarding violations of the Fair Transactions In Franchise Business Act, the Act On Fair Transactions In Large Retail Business, the Fair Agency Transactions Act, the Act on Fair Labeling and Advertising, and the Fair Transactions In Subcontracting Act, and was successful in administrative litigation regarding the Monopoly Regulation and Fair Trade Act. She provides a wide range of advisory services relating to prominent domestic companies, even in the realm of compliance, which has recently been gaining attention from businesses.
Mr. Lee has served as a subcommittee member of the Dispute Mediation Council Committee at the Large and Small Business Farming and Fisheries Cooperation Foundation since 2019, and as a member of the Private Review Committee for Re-Reported Cases at the KFTC since December 2020.
- Managing Partner, D&A LLC (2022-Present)
- D&A LLC (2019-2022)
- Attorney, YOON & YANG LLC (2012-2019)
- Attorney, Barun Law LLC (2008-2012)
- Judicial Research and Training Institute of the Supreme Court of Korea (2008)
- Implications of the KFTC's Organizational and Investigative Reform and Corporate Responses, AMCHAM Journal (3rd Quarter, 2026, Vol. 93, No. 3) (Co-author, 2026)
- Regulatory Trends Against Online Platforms In Korea: Focusing On Competition Law Issues, Mondaq (2022)
- Competition (private company acquisitions) Q&A: South Korea, Practical Law, Thomson Reuters (Co-author, 2021)
- Visiting Scholar, China University of Political Science and Law (Law & Chinese Language, 2015)
- College of Law, Sungkyunkwan University (LLB, 2006)
- Daeil Foreign Language High School (2000)
- Represented a company in a case involving the submission of false designated materials by a business group subject to restrictions on mutual investment, successfully securing a warning instead of a referral for criminal prosecution
- Advised LG Electronics and LG Display on potential violation of the Act on Fair Labeling and Advertising in connection with their QLED TV advertising
- Represented LG Household & Health Care in proceedings concerning alleged violations of the Act on Fair Labeling and Advertising through influencer advertising, successfully securing a significant reduction in the administrative surcharge
- Represented Sampyo in an investigation into alleged preferential allocation of logistics business between H Group and Sampyo, securing a no-violation finding and closure of the investigation
- Represented LG CNS in a KFTC investigation into alleged bid rigging in the tender for the terminal operation and management system for Korea Smart Card’s new transportation card system
- Represented POSCO E&C in proceedings concerning alleged unfair subcontracting practices, securing a finding of no violation with respect to certain allegations and corrective orders with respect to the remaining allegations
- Represented LG Electronics in proceedings concerning alleged unfair advertising practices, successfully securing a warning
- Represented Hyundai Motor Company and Kia Corporation in a case involving alleged unfair concerted actions by five domestic automobile manufacturers, securing a cautionary notice
- Represented POSCO E&C in a case involving violations of the regulations on resolutions by board of directors and disclosure of large-scale internal transactions by a business group subject to restrictions on mutual investment
- Represented TeacherKim in a case involving alleged violations of the Fair Transactions in Franchise Business Act
- Represented Kolon Global Corporation in a bid-rigging investigation concerning seven construction work sections of the Wonju Gangneung Railway Development Project
- Represented LG Electronics in a case involving alleged unfair subcontracting transaction practices
- Represented Yuhan Corporation in a case concerning its refusal to supply, securing a finding of no violation
- Represented KleanNara in a case concerning the price collusion in the purchase of waste printed papers and waste newspapers
- Represented Tongyang Cement (now Sampyo Cement) in a case involving alleged unfair concerted actions by seven cement manufacturers
- Represented Hyundai Department Store and Han Moo Shopping in a case involving violations of the Act on Fiar Transactions in Large Retail Business
- Represented LG Electronics in a case involving alleged abuse of superior bargaining position
- Represented Golf Zone in a case involving alleged coercive trading practices and abuse of superior bargaining position
- Represented LG Electronics in a case involving alleged discriminatory practices, successfully securing a no-violation finding
- Represented Hyundai Steel in a case involving alleged unfair internal transactions concerning granulated slag, successfully securing a no-violation finding
- Represented Hyundai Motor Company in a case involving alleged unfair concerted actions by heavy commercial vehicle manufacturers
- Represented KCC Corporation in a case involving alleged unfair concerted actions by two plate glass manufacturers
- Represented POSCO Coated & Color Steel in a case involving alleged unfair concerted actions among manufacturers of color-coated steel sheets, cold-rolled sheets, and galvanized steel sheets
- Advised Lotte Hi-Mart on the submission of opinions by interested parties in connection with its merger
- Represented Dongbu HiTek and Dongbu FarmHannong in a case of alleged unfair concerted actions by manufacturers of fertilizers and crop protection agents
- Represented Hyundai Department Store and Han Moo Shopping in a case involving unfair trading practices by large-scale retailers
- Represented Kolon Global Corporation in a case involving alleged unfair concerted actions in the bidding process for the first turnkey construction package of the Four Major Rivers Restoration Project
- Represented LG Electronics in litigation seeking the cancellation of administrative fines imposed for alleged obstruction of an investigation, successfully securing a favourable judgement
- Represented LG Electronics in a case involving alleged unfair customer solicitation through the provision of mobile phone subsidies
- Represented LG Household & Health Care in a case concerning non-compliance with corrective orders imposed for resale price maintenance
- Represented Samsung Corning in an international cartel case involving unfair concerted practices by CRT glass manufacturers
- Represented LG Display in an international cartel case involving unfair concerted practices by thin-film transistor liquid-crystal (TFT LCD) manufacturers
- Represented Doosan Heavy Industries & Construction in a case concerning alleged violations of the Act on Fair Labeling and Advertising in connection with advertisements for residential and commercial buildings in Gwangjin-gu, ultimately securing a corrective order
- Represented CMB Gwangju and CMB Daejeon in connection with a request for modify corrective orders imposed in connection with their merger
- Represented LG Electronics in a case involving unfair concerted actions in the government procurement bidding for system air conditioners
- Represented Hyundai Motor Company and Kia Corporation in a case involving alleged tying practices by automobile manufacturers
- Represented Coca-Cola Beverage Company in a case concerning alleged unfair concerted actions by beverage manufacturers
- Represented Taihan Cable & Solution, Gaon Cable, LS Corp., and Samsung Electronics in a case involving alleged unfair concerted actions in connection with the bidding for OPGW
- Represented KT Corporation in proceedings concerning the recalculation of administrative surcharges imposed in connection with alleged unfair concerted actions by two local exchange carriers
- Advised GSK and Yuhan Corporation on an investigation into alleged unfair customer solicitation by pharmaceutical companies through the provision of rebates
- Represented Dongbu Life Insurance, Allianz Life Insurance, Dongbu Dongbu Fire & Marine Insurance in a case involving alleged unfair concerted actions by 14 life insurers and 10 non-life insurers
- Represented Hyundai Motor Company and Kia Corporation in connection with an investigation into alleged abuse of a dominant market position through price discrimination, successfully securing a finding of no violation
- Represented Keangnam Enterprises in a case concerning alleged violations of the Act on Fair Labeling and Advertising in connection with its sales advertisement of “Sangrok I2Vill” in Yangsan, successfully securing a corrective order
- Handled follow-on proceedings, including actions seeking the revocation of KFTC’s dispositions and claims for damages arising from violations of the Monopoly Regulation and Fair Trade Act
- Represented construction companies in litigation seeking the revocation and suspension of bidding participation restrictions, as well as in damages claims and lawsuits seeking the recovery of design fees
- Conducted pre-publication reviews of real estate sales brochures and advertisements, including print and broadcast advertisements
- Advised numerous large companies on compliance with fair trade laws, including the Monopoly Regulation and Fair Trade Act, the Fair Transactions in Subcontracting Act, the Fair Transactions in Franchise Business Act, and the Fair Agency Transactions Act, and on related compliance system improvements
- Advised a number of leading companies, including LG Electronics, LG Household & Health Care, LG Display, LF Fashion, The Face Shop, Hyundai E&C, Daelim Motor Company, Sampyo, SP Nature, Ace Bed, Bumosarang Corporation, Kolon Global Corporation, Kolon Industries.
Provided by Chambers
Lee Jeong Ran has expertise handling cartel and abuse of market dominance investigations as well as related damages suits.
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