Department profile
Yoon & Yang LLC

Dispute Resolution: Litigation

Asia-Pacific Guide 2026 : South Korea


Yoon & Yang LLC

Rankings

About

Provided by Yoon & Yang LLC

Yoon & Yang’s Litigation/Arbitration Practice provides comprehensive legal services for a wide range of disputes involving complex issues in corporate law, construction, finance and capital markets, administrative litigation, intellectual property, antitrust and competition, tax, international trade, labor and family law. The Practice offers strategic and systematic support across all stages of litigation and arbitration, resolving disputes in a multifaceted manner. It delivers integrated services covering preservation measures, including preliminary attachments and injunctions, as well as compulsory executions, in addition to handling cases on the merits to ensure that clients’ rights are fully protected.

The Practice consists of a balanced team of attorneys with hands-on experience gained from serving as Supreme Court justices, High Court chief judges, district court chief judges and presiding judges, together with attorneys who have many years of litigation experience at law firms and who have developed global insight through overseas studies. With this combination of public-sector experience and private-sector capability, the Practice provides top-tier dispute resolution services supported by deep expertise and strategic judgment. It also works seamlessly with other practices, including M&A, intellectual property, antitrust and competition, tax and employment and labor, to deliver outcomes aligned with clients’ needs.

Clients (54)

  • Asiana Airlines, Kumho E&C
  • Hanwha Life Corporation
  • Hahn & Company
  • Korea Land & Housing Corporation
  • Hong Universal
  • Hong International
  • POSCO E&C
  • Samsung C&T Corporation
  • DB Financial Investment Co., Ltd
  • DB HiTek
  • Hahn & Co Dairy Holdings Limited
  • Hanwha Aerospace
  • DAOL Investment and Securities
  • STX Engine Co., Ltd.
  • Koramco REITs Management and Trust Co., Ltd.
  • Hyosung Heavy Industries
  • DAWONSYS Co., Ltd.
  • SK Innovation
  • Kolon Life Science
  • Korea Railroad Corporation (KORAIL)
  • Korea Land & Housing Corporation
  • Hanjin KAL
  • Samsung C&T
  • Samsung Electronic Services
  • Woori Bank
  • Shinhan Bank
  • NH Bank
  • GS Engineering & Construction
  • DL E&C
  • Korean Air Lines
  • Hanhwa Corp
  • Samsung Electronics
  • Hanwha Aerospace
  • HD Hyundai Infracore
  • Hana Bank
  • SK Shipping
  • Korea Development Bank
  • BTC Korea.com
  • Hyundai Engineering
  • Posco E&C
  • Doosan E&C
  • Samsung Heavy Industries
  • KEPCO Engineering & Construction
  • Samsung SDI
  • Medytox
  • DAOL Investment & Securities Co., Ltd.
  • HYUNDAI MOTOR CO
  • KIA CORPORATION
  • HYUNDAI ENGINEERING & CONSTRUCTION CO.,LTD
  • British American Tobacco Korea
  • Kumho E&C
  • Hanwha Life Corporation
  • Hyosung Heavy Industries
  • Koramco REITs Management and Trust Co., Ltd

Chambers Review

Provided by Chambers

Dispute Resolution: Litigation - South Korea

Band 2

Band 2


What the Team is Known For

Yoon & Yang has a strong bench of litigation lawyers, enhanced by the presence of distinguished former public prosecutors and experienced in-house counsel. The team handles share disputes, breach of contract claims and insider trading charges for both corporations and prominent individuals. It is well placed to advise on complex cross-border litigation and acts on both commercial matters and criminal defence. The firm is also experienced in handling a range of pre-trial measures, including injunctive relief and provisional attachments.

Work Highlights

Provided by Chambers

  • Yoon & Yang represented Hanwha Life Corporation in a lawsuit against the Financial Services Commission regarding violation of the restrictions on transactions with large shareholders.

Strengths

Provided by Chambers

  • Yoon & Yang is loyal to customer requests and takes a strategic approach to litigation.

    Dispute Resolution: Litigation respondentAsia-Pacific
  • Yoon & Yang has the ability to organise complex issues well and systematically document them.

    Dispute Resolution: Litigation respondentAsia-Pacific

Notable Practitioners

Provided by Chambers

  • Band 2Seung Ryong Yoo
    Band 2Seung Ryong Yoo

    Seung Ryong Yoo

    Yoo Seung Ryong maintains an active practice advising on banking litigation, shareholder disputes and administrative proceedings. He is sought after by market sources for his experience in litigation as a former judge.
    • He is highly collaborative and works well as part of a team.

      Dispute Resolution: Litigation respondentAsia-Pacific
    • Seung Ryong is very loyal to clients' requests and leads excellent results.

      Dispute Resolution: Litigation respondentAsia-Pacific

Ranked Individuals at Yoon & Yang LLC (1)

South Korea

Members

Provided by Yoon & Yang LLC

  • Sang Pil Lee

    Head of Department

  • Su Yeol Lee

    Head of Department

  • Seung Ku Hong

  • Min Kul Lee

  • Jeongsu Park

  • Sang Jae Park

  • Jong Chul Park

  • Young Su Park

  • Hyoseop Ahn

  • Keun Ho Kim

Yoon & Yang LLC has rankings in the following guides

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