Firm / Organisation

Yoon & Yang LLC

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This content is provided by Yoon & Yang LLC.

Managing Partners: Jinsu Jeong; Junsang Lee; Myung Soo Lee
Number of partners: 120
Number of lawyers: 420
Languages: English, German, Spanish, Japanese, Korean, Russian, Vietnamese, Chinese, French

Firm Overview:
Since its establishment in 1989, Yoon & Yang LLC has been one of Korea’s premier full-service law firms, providing comprehensive legal solutions to clients around the world in all areas of legal practice. Recently, the firm opened two offices in Vietnam, in addition to its Tashkent office in Uzbekistan. The two new offices has enhanced the firm’s strong strategic presence in Southeast Asia. The firm now has over 400 professionals with diverse expertise providing one-stop solutions that include both legal advice and practical solutions. The firm has a strong client base including large Korean corporations as well as numerous multinational businesses.

Practice Areas:
■ Antitrust & Competition
■ Admiralty & Maritime
■ Banking, Securities & Finance
■ Capital Markets
■ Corporate/M&A
■ Defence Procurement
■ Energy
■ Government Relations
■ Health Care
■ Intellectual Property
■ International Trade & Investment
■ Labour/Employment
■ Litigation & Arbitration
■ Privacy & Data Protection & Internet
■ Real Estate & Construction
■ Tax & Customs
■ White Collar Criminal Defence

Main Areas of Practice:

Antitrust & Competition:
■Representing Qualcomm as the primary counsel in an administrative lawsuit before the Seoul High Court. Qualcomm is seeking the annulment of the KFTC’s corrective order and an administrative surcharge in the amount of KRW 1 billion (approximately USD 865 million) for alleged abuse of dominance involving Qualcomm’s patent licensing practices
■Successfully represented NGK, a Japan-based company, in the KFTC’s investigation of NGK and Denso for alleged bid rigging regarding spark plugs supplied to GM Korea and Hyundai Motor Company. After a long and extensive investigation, the KFTC decided to close the investigation without imposing any sanctions
Contact: Seong Sig Kim
Email: [email protected]

Banking Regulation:
■Successfully advised Shinhan Bank in its acquisition of Indonesia’s Bank Metro Express (BME) and Centratama Nasional Bank (CNB) and the subsequent mergers
■Successfully advised Korea Investment Holdings Co., Ltd. in its establishment and authorization of a real estate trust subsidiary company, Korea Investment Real Estate Trust Co., Ltd.
Contact: Soonghee Lee
Email: [email protected]

Employment & Labour:
■Successfully represented Hyundai Motor Company in lawsuits filed by contract workers seeking direct employment to HMC and a considerable amount of wages in compensation
■Successfully represented Hyundai Motor Company in lawsuits initiated by HMC’s fixedterm employees claiming wrongful termination based on the right to renewal of employment contracts
Contact: Sang Hoon Park
Email: [email protected]

Intellectual Property:
■Representing and advising SK Innovation in trade secret and patent disputes with LG Chem filed in Korea and the United States
■Representing Merck, Sharp & Dohme Corp. in actions challenging the validity of Pfizer/ Wyeth’s patents relating to pneumococcal conjugate vaccines
Contact: Wonil Kim
Email: [email protected]

Litigation/International Arbitration:
■Advising a German automobile company on its response to recalls related to manufacturing defects and actively defending in relevant civil, administrative, and criminal cases
■Successfully represented the Republic of Korea (ROK) which prevailed in the very first ISDS arbitration defended by the ROK under the Korea-US FTA. The case marks the country’s first victory among a number of ISD claims currently pending against it
Contact: Seung Ryong Yoo, Junsang Lee
Email: [email protected], [email protected]

■Successfully advised Daeho Technology Korea Co., Ltd. in the sale of its shares to ACE Private Equity
■Advised a Taiwanese corporation, UniPresident Enterprises Corp., in its acquisition of Woongjin Foods from Hahn & Company PEF
Contact: Sung-Jin Kim
Email: [email protected]

■Successfully represented Mr. Seong Hoon Lim, the owner of Booyoung Co., Ltd., leading to the annulment of the imposition disposition of unjust additional tax without notice worth KRW 12 billion (approximately USD 10 million) relating to donation of title trust stocks
■Successfully represented Korea Real Estate Investment & Trust (KOREIT) resulting in the annulment of the tax authorities’ disposition of seizure relating to trust value added tax. This is one of the leading cases which dealt with seizure of trust value added tax
Contact: Jae Woong Jeong
Email: [email protected]

White Collar Crime:
■Successfully represented Deutsche Bank in a lawsuit in which an employee of Deutsche Bank allegedly earned KRW 40 billion (approximately USD 34 million) using index basket trade worth KRW 2.4 trillion (approximately USD 2 billion). As a result, Yoon & Yang reversed the conviction in the 1st instance trial and obtained the employee’s acquittal in the trial on appeal
■Successfully represented a multinational pharmaceutical company in a case in which its employees allegedly provided rebates to doctors
Contact: Hee-Sik Yoon
Email: [email protected]


Total 3 contributions

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Employment 2019 Second Edition Law and Practice in South Korea

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