Seung Ryong Yoo Managing Partner
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  • TEL 82 2 6003 7563
  • FAX 82 2 6003 7018
  • E-MAIL
Seung Ryong Yoo is a managing partner at Yoon & Yang LLC. His main practice areas include corporate and commercial law, criminal law, and administrative law.
Seung Ryong Yoo has successfully represented clients in white-collar crime cases such as large-scale financial and construction disputes, breach of trust, and embezzlement against companies and business owners. In the case of financial disputes, Mr. Yoo represented clients in a civil case in connection with the liability for asset-backed loans between Bank and other financial institutions and a case concerning credit enhancement in PF loans. In both cases, Mr. Yoo convinced the appeals court to overturn the decision of the trial court for all claims in favor of his clients. In the case of construction disputes, Mr. Yoo successfully represented clients in a case involving shared responsibility arising from a joint supply and demand relationship among construction companies and a case concerning large-scale development projects through foreign joint ventures.


  • 2014-present Yoon & Yang LLC
  • 2015-present Advisor on Tax Law, Seoul Regional National Tax Service
  • 2015-present Arbitrator, Korean Commercial Arbitration Board
  • 2012-14 Member, Committee for Publication of Compendium of Court Practices (Civil Proceedings)
  • 2012-14 Presiding Judge, Seoul Southern District Court
  • 2011 Adjunct Professor, Yonsei University Law School
  • 2009-12 Professor, Judicial Research & Training Institute (Civil Proceedings, Execution, Preservation, Tax)
  • 2008-09 Presiding Judge, Gwangju District Court (Warrants)
  • 2006-08 Judge, Seoul High Court (Medicine, Administration)
  • 2006 Judicial Policy Judge, Ministry of Court Administration
  • 2004-06 Judicial Policy Researcher, Ministry of Court Administration
  • 2003-04 Judge, Seoul Family Court
  • 2001-02 Visiting Scholar, Virginia Law School
  • 2000-03 Judge, Seoul Central District Court
  • 1997-00 Judge, Cheon Branch, Daejeon District Court
  • 1995-97 Judge, Seoul District Court
  • 1993-95 Judge, Southern Branch, Seoul District Court


  • 1993 Judicial Research and Training Institute
  • 1989 Seoul National University, College of Law, LL.B.


  • Leading Individual, Dispute Resolution: Litigation, Chambers and Partners Asia-Pacific (2018-2023)
  • Leading Individual, Dispute Resolution: Litigation, Chambers and Partners Global (2021-2023)
  • Leading Individual, Dispute Resolution; Regulatory: Compliance and Investigations, Legal 500 Asia-Pacific (2019-2023)
  • Leading Individual, Dispute Resolution: White-Collar Crime, Chambers and Partners Asia-Pacific (2020)
  • Lawyer of the Year, Litigation, Legal Times (2017)


  • “Denial of a Wrongful Calculation and Distribution of Profits under the Corporate Income Act,” Cheong Yeon Non Chong (7th Ed.), Judicial Research & Training Institute in Commemoration of Retirement of President Gook Soo Park of Judicial Research & Training Institute, 2010
  • “Legal Reasoning and the Rule of Logics & the Rule of Thumb,” Judge’s Decision Making: Theories and Practices, p. 219-304, Judicial Development Foundation, 2010
  • “The Right of Life and Self-determination and Doctors’ Obligation of Treatment,” Medical Law, Vol.9, No.2 (Dec. 2008), Judicial and Public Administration Society of Korea, 2008
  • “Determination of Governing Law in the Marriage with a Foreigner,” Trial Materials, Vol. 101, December 2003, Issues of Family Court Cases (Vol. 1), Ministry of Court Administration, 2003
  • “Review of Issues of Defamation Cases at the Media Division of the Seoul Southern Court,” December 2012