YOON&YANG

Sihoon Yang Partner

TEL 82 2 6003 7052
FAX 82 2 6003 7039
E-MAIL shyang@hwawoo.com

Sihoon Yang is a partner at Yoon & Yang LLC, and his main practice areas are employment and labor, corporate-related civil and criminal litigations, and Japan.

Mr. Yang retired as a High Court Judge at the Seoul High Court after nearly 20 years in the judiciary, serving as a Judge, Chief Judge, and High Court Judge in various courts. During his six years at the Seoul High Court, he gained extensive experience, specializing in the Labor Affairs Division (handling illegal dispatch, ordinary wages, wage peak systems, employee status, and dismissal) and handling numerous injunction cases in the Appellate Division (concerning shareholders’ meetings and bidding status). Mr. Yang also has experience studying abroad in Japan.

Since joining YOON & YANG LLC., Mr. Yang utilizes his judicial expertise to achieve multiple litigation victories in labor disputes (including illegal dispatch and dismissal) and actively handles numerous cases involving wage systems, unfair labor practices, and serious accidents. His successes include securing non-indictment and internal investigation closure dispositions in Serious Accident and Industrial Safety and Health Act violation cases, obtaining dismissals of warrants in corporate chairman cases, and achieving notable results in Election Law violations and injunctions for confirmation of bidding eligibility.

Practice Areas

Experience

2023-present Yoon & Yang LLC
2023-present Legal Advisor, National Labor Relations Commission
2013-present Member, Society of Labor Law Theory and Profession of Supreme Court
2021-22 Lecturer on Practices of Special Litigations (Labor), Law Clerk Course of Judicial Research and Training Institute
2019-23 Judge, Seoul High Court (labor cases, appellate cases)
2018-19 Presiding Judge, Suncheon Branchn of Gwangju District Court (in charge of issuance of warrant, collegiate panel for application / family cases)
2018-19 Chairman, Election Commission of Gurye-gun, Jeollanam-do
2016-18 Judge, Seoul High Court (civil cases)
2014-16 Researcher (Judge), Judicial Policy Research Institute of Supreme Court
2012-14 Judge, Seoul Central District Court (medical cases)
2009-12 Judge, Bucheon Branch of Incheon District Court (single judge court for criminal / civil cases)
2006-09 Judge, Jeonju District Court (criminal appeal, civil appeal)
2003-06 Judge Advocate, Republic of Korea Army

Education

2018 Seoul National University Graduate School of Public Administration, Advanced Course for Administrative Development (ACAD)
2017 Korea University Graduate School of Law (LL.D. course completion)
2013 Kyoto University Graduate School of Legal and Political Studies, Guest Researcher
2012 Korea University Graduate School of Law, LL.M.
2003 Judicial Research and Training Center
1996 Korea University College of Law, LL.B.

Qualifications

Admitted to bar, Korea (2003)

Representative Matters

C Company (Pharmaceutical/Bio): Achieved a victory in the appellate court (reversing the lower court's ruling) in an illegal dispatch of workers lawsuit, which was affirmed by the Supreme Court.
H Company (Steel Mill): Achieved a victory in the appellate court in an illegal dispatch of workers lawsuit, reversing a substantial portion of the lower court's judgment.
B Company (Medical Device Manufacturer): Secured a victory in the first instance of a lawsuit for revocation of a re-adjudication decision regarding unfair dismissal, reversing the National Labor Relations Commission's decision.
S Company (Bio): Achieved a victory in the appellate court (reversing the lower court's ruling) in a lawsuit for revocation of a re-adjudication decision regarding unfair dismissal (acknowledging the employee status of unregistered officers).
W Company (Construction): Secured a victory in the first instance of a lawsuit for revocation of a re-adjudication decision regarding unfair dismissal, reversing the National Labor Relations Commission's decision.
H Company (Cast Steel Production): Obtained a decision of no suspicion in the investigation response for the CEO's violation of the Industrial Safety and Health Act.
H Company (Steel): Defense counsel for the CEO in the public trial stage concerning the violation of the Serious Accidents Punishment Act.
S Company: Obtained a non-indictment disposition during the investigation response for a violation of the Serious Accidents Punishment Act.
C Company (Distribution): Represented the client in a damage compensation lawsuit related to an employee fatality.
C Company (Transportation/Distribution): Represented the client in the Supreme Court appeal stage of a lawsuit for revocation of a re-adjudication decision regarding unfair labor practices.
G Company (Automobile): Represented the client in the Supreme Court appeal stage of a lawsuit for revocation of a re-adjudication decision regarding unfair labor practices.
H Company (Automobile): Represented the client in the re-appeal stage of a damage compensation lawsuit.
H Company (Defense): Represented the client in the remand trial of a lawsuit for revocation of a re-adjudication decision regarding unfair labor practices.
H Company (Automobile Parts): Represented the client in a lawsuit concerning severance pay and weekly holiday allowances related to performance-based incentives.
H Company (Shipbuilding): Represented the client in a lawsuit concerning severance pay related to performance-based incentives.
H Company (Tire): Represented the client in a performance-based pay lawsuit.
H Company (Automobile Parts): Represented the client in performance-based pay and ordinary wage lawsuits.
H Company (Insurance): Represented the client in a wage peak system lawsuit.
H Company (Steel Mill): Represented the client in a wage peak system lawsuit.
K Company (Tire): Represented the client in a lawsuit regarding the dispatch of workers.
S Company (Chemical): Prevailed in most cases of injunctions prohibiting former employees from seeking new employment.
S Company (Passenger Ship Operation): Represented the client in a lawsuit for revocation of a re-adjudication decision regarding unfair dismissal.
P Company: Achieved a final victory in a lawsuit for confirmation of shareholder rights injunction in a management dispute case and provided representation in the main lawsuit.
S Company (Equipment Parts): Prevailed in all cases of injunctions for confirmation of eligibility to participate in bidding.
S Company (Equipment Parts): Achieved an affirmed victory in a lawsuit for the return of contract performance bonds.
Provided defense in multiple election law violation cases in the public trial stage, resulting in outcomes such as acquittals or sentences maintaining qualification.
K Company (Media): Represented the client in a rehabilitation case.
Provided defense in multiple warrant proceedings for corporate chairmen, tax-related cases, and other matters.

Publications

Korea Chapter, Employment, Chambers Global Practice Guides, Chambers and Partners (Co-author, 2023-2025)
Labor Trial Manual, Supreme Court Labor Trial Manual Writing Committee (Co-author, 2022)
Research on Practical Training for New Admittees to the Korean Bar, Judicial Policy Research Institute of Supreme Court (Co-author, 2016)
Research on Judicial Discipline in Foreign Jurisdictions, Judicial Policy Research Institute of Supreme Court (Co-author, 2015)
Research on the measures to promote public awareness and understanding regarding the judgments of the courts, Judicial Policy Research Institute of Supreme Court (Co-author, 2015)
Research on the Improvement of the Indigent Defense System, Judicial Policy Research Institute of Supreme Court (Co-author, 2014)
Research on Introduction of Plea Bargaining, Master’s Thesis, Korea University Graduate School of Law (2011)
Practical Issues Regarding Hearing of Drug Cases – Practical Research Materials, Bucheon Branch of Incheon District Court (2010)