Keon Joo Cho Partner
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  • TEL 82 2 6003 7559
  • FAX 82 2 6003 7847
  • E-MAIL
Keon Joo Cho is a partner at Yoon & Yang LLC. His main practice area is corporate litigation, with a primary focus on civil, criminal and administrative litigation.
After completing the training at the Judicial Research and Training Institute of Korea (25th), he began his career in public service as a Judge at the Seoul Central District Court. He later served as a Judge at the Seoul Administrative Court and the Seoul High Court (Criminal and Fair Trade), and as a Judicial Researcher at the Supreme Court of Korea. He retired from public service after his time as the Chief Judge at the Seoul Eastern District Court.


  • 2017-present Yoon & Yang LLC
  • 2019-present Arbitrator, Korean Commercial Arbitration Board
  • 2015-17 Presiding Judge, Seoul Eastern District Court
  • 2012-15 Presiding Judge, Suwon District Court Ansan Branch
  • 2011-12 Presiding Judge, Daejeon District Court
  • 2009-11 Judicial Researcher, Supreme Court of Korea
  • 2007-09 Judge, Seoul High Court
  • 2006-07 Judge, Suwon District Court
  • 2003-06 Judge, Chuncheon District Court Sokcho Branch
  • 2001-03 Judge, Seoul Administrative Court
  • 1999-01 Judge, Seoul Central District Court


  • 1996 Judicial Research and Training Institute
  • 1994 Seoul National University College of Law, LL.B.

Representative Matters

  • Represented Hanwha Consortium in a dispute concerning the preferred bidder status in relation to development of unused site at Seoul Station
  • Represented LS Mtron in a claim for damages related to an M&A.
  • Represented EY in a claim for damages related to China Gaoxian Fibre Fabric Holdings Ltd.
  • Represented President Shin of L Group in a case concerning the Act on the Aggravated Punishment of Specific Economic Crimes (breach of trust)
  • Represented NH Bank in a claim for damages related to KT ENS
  • Related SK Chemical in a claim for damages related to a bio fuel oil supply agreement


  • Contract Formation and Enforcement in South Korea: Overview, Practical Law, Thomson Reuters (Co-author, 2023)