• Advised clients on KFTC’s investigation and litigation on unfair internal trading against multiple large business groups in Korea.
• Advised a number of conglomerates in Korea on the designation of conglomerates, submission of designation materials, exclusion/deferment of affiliation, approval of independent management, etc. and aided in responding to KFTC investigations.
• Advised Korean platform companies on fair trade and KFTC’s investigations.
• Advised global service providers and a number of Korean providers on cartel cases and KFTC’s investigations.
• Represented a Korean distributor in a lawsuit seeking revocation of the KFTC’s corrective order under the Large Retail Business Act.
• Advised global automakers on KFTC’s Investigation regarding the abuse of superior bargaining position.
• Advised major business entities such as domestic IT companies on KFTC’s investigation regarding the abuse of market dominance.
• Advised global automakers on KFTC’s investigation regarding the FLAA.
• Advised a Korean air purifier company on KFTC’s investigation regarding the FLAA.
• Advised Korean construction companies on KFTC’s Investigation regarding bid-rigging and litigation.
• Advised Korean distributors on KFTC’s investigations of unfair trade practices related to the big data business.
• Advised Korean platform companies on mergers and acquisitions.
• Advised a Korean holding company on a business combination involving the acquisition of shares in an electric vehicle business.
• Advised clients on a business combination between e-commerce service providers.
• Advised clients on the establishment of an OTT company between broadcast operators.
• Advised global airlines on business combination.
• Advised clients on a business combination between global pharmaceutical companies.
• Advised clients on subcontract compliance for the domestic IT business groups.
• Advised clients on corporate governance compliance (domestic food and distribution business groups).
• Advised clients on internal transactions and Korea Fair Trade Coordinator CP on domestic manufacturing, and chemical business groups.
• Advised clients on compliance with unfair trade practices (global automakers).
• Advised clients on internal transaction compliance (domestic fashion and chemical business groups).

• Advised a domestic telecommunications company regarding IDC business and KFTC’s investigations.
• Advised three terrestrial broadcasters on the establishment of an OTT entity.
• Represented the client for the business merger between a domestic telecommunications company and a broadcasting company.
• Represented the client for the DDSA of domestic telecommunications agencies in a lawsuit seeking revocation.
• Acted as an agent of a domestic mobile carrier for consent decrees on unlimited pricing under the FLAA.
• Represented many home shopping operators in Korea in litigation for cancellation of administrative disposition.
• Represented Korean broadcasting companies in enacting the KCC Notification on Giveaways.
• Participated in the commentary on the KCC’s Proposed Amendment to the Telecommunications Business Act (discrimination against users).
• Represented authorization in Ministry of Science, ICT and Future Planning (MSIP) regarding the merger of a holding company of a Korean business group.

• Advised and represented global operators on VR-related game business licenses.
• Advised clients on VOD-related regulations (global operators).
• Advised domestic entertainment companies on fair trade and KFTC’s investigations.
• Advised domestic entertainment companies on KFTC’s investigation regarding the abuse of market dominance in relation to idol goods.
• Advised domestic game companies on designation as a large business group.
• Advised clients on contract disputes, etc. with celebrity agencies.
• Advised the Government of Sri Lanka and companies on energy efficiency improvement projects jointly with the Korea Energy Agency and the Asian Development Bank (ADB).

Awards

• Leading Lawyer, Lexology Index: Korea, Competition (Lexology Index, 2026)
• Leading Lawyer, Lexology Index: Korea, Competition Economists (Lexology Index, 2026)

Publications/Activities

• “Revision of US Horizontal Merger Guidelines” (Law Times, 2020.3.)
• “The Relationship between the Sales Promotion Cost Agreement and the Dispatched Workers Agreement under the Fair Transactions in Large Retail Business Act: analysis of the Supreme Court Decision No. 2016du51481 (March 15, 2017),” Antitrust Case Law Review Vol.10, (Co-author, Bobmunsa, 2017.11.)
• “The Study on Consent Decree under the Fair Trading Act's from a Perspective of Administrative Law: Judicial Reviewability of Each Phase of Consent Decree,” Science of Administrative Law, Vol.9, (Co-author, Korean Administrative Law Association, 2015)