Hae-Wang Jeong Partner
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  • TEL 82 2 6003 7567
  • FAX 82 2 6003 7806
  • E-MAIL
Hae Wang Jeong is a partner at Yoon & Yang LLC. His main practice areas are international litigation and corporate law.
He has accumulated significant experience and results in the areas of international litigation, product liability, compliance and foreign investment. Leveraging his fluency in Japanese as a member of the firm’s Japan Group, Hae Wang maintains rich experience in providing comprehensive legal advice and assisting with arbitration and litigation related to Korea/Japan bilateral investments.


  • 2006-present Yoon & Yang LLC
  • 2014-present Advisory Member, Ministry of Justice Legal Advisory Panel for SMBs
  • 2017-19 Advisory Member, Small Enterprise and Market Service Legal Advisory Panel for Youth Merchant Development Project
  • 2008 TMI Associates
  • 2001-06 Kim Shin & Yu
  • 1999-01 Shimin Law Offices


  • 2006-08 Japan Keio University, Visiting Scholar
  • 1999 Judicial Training and Research Institute
  • 1993 Yonsei University College of Law, LL.B.

Representative Matters

  • Advised on management rights and prevailed in the litigation involving Korean and Japanese companies 
  • Advised on trade secret infringement involving Korean and Japanese companies
  • Advised on M&A and sale of Korean assets for a Japanese company (i.e., Japanese hotel management company’s acquisition of a Korean hotel)
  • Advised a Japanese company on issues related to fair trade, such as international cartel, filing of merger between affiliates, and termination of dealership in Korea
  • Represented multiple foreign entities (Japanese & US companies) in the litigation on manufacturing of generators
  • Advised on parts purchase contract between a Japanese automobile company and a Korean automobile company
  • Advised various Korean companies (i.e., Shinhan Bank, Woori Bank, and Korea Hydro & Nuclear Power) related to applicable Japanese law 
  • Advised multiple Japanese companies on establishment of joint venture, local entity and subsidiary in Korea 
  • Advised a Korean bio company on establishment of a medical service corporation in Japan
  • Advised multiple Japanese companies (i.e., automobile, chemical and machinery companies) and prevailed in the litigation related to intellectual property


  • Leading Individual, Litigation, Chambers and Partners Global (2016-2018)