Yong Seng acts as lead counsel in a broad spectrum of commercial disputes, including employment, companies, banking and defamation cases. His clients include global financial institutions, multinational companies and Government bodies.

In the High Court, he has particular expertise in employment litigation. He has successfully enforced a two year international non-compete and a worldwide non-compete in litigation that pushed the boundaries of employment law.  He also has significant experience in handling complex industrial accidents and product failures, having defended leading multinational companies in the automobile, chemical and paper industries.

In the Court of Appeal, his experience lies in arguing novel and difficult points of law. His successful cases as lead advocate include a landmark 5-Judge decision on defamation, and a leading decision on company and insolvency law.

Yong Seng also has a busy international arbitration practice, typically involving joint venture disputes. He has represented airlines, power generators, media companies and healthcare companies. He successfully acted for a Japanese MNC in one of the first arbitrations under the 2016 SIAC Expedited Procedure, and subsequently defended the award in the High Court.

The Legal 500 Asia Pacific recognises Yong Seng as a commercial litigator who  “truly goes above and beyond” and “understands what the business is and what the business wants”.

Yong Seng has Government experience as an Assistant Director in the Ministry of Law in 2009/2010. He is also active in legal scholarship. Apart from teaching at the Singapore Institute of Legal Education, he is the Subject Editor for Employment Law for SAL Practitioner (a journal of the Singapore Academy of Law), and has published in leading international and local journals like the Singapore Academy of Law Journal, SAL Practitioner, Global Arbitration Review and Business Law International.

Yong Seng was educated at Oxford University. He took a BA (Hons) in Law in 2003 (converted to MA in 2013), and a BCL in 2004. At Oxford, he was an Exhibitioner and a College Book Prize winner at Pembroke College. 

Yong Seng currently sits on the Board of Governors of Nanyang Polytechnic and is Honorary Legal Adviser to the Singapore Table Tennis Association.

Work Highlights

Employment Litigation (High Court)

  • Acted for GFI Group in enforcing a worldwide non-compete covenant in its employment contracts (Mahina Woon v GFI Group (OS 4 of 2015).
  • Acted for Itochu Singapore in enforcing a two year international non-compete (Tan Kok Yong Steve v Itochu Singapore Pte Ltd [2018] SGHC 85).

Appellate Advocacy (Court of Appeal)

  • Successfully argued a landmark 5-Judge Court of Appeal decision on defamation law (Goh Lay Khim v Isabel Redrup [2017] 1 SLR 546).
  • Argued a ground-breaking decision on tort law and res ipsa locquitur (Grace Electrical v Te Duem Engineering [2017] SGCA 65).
  • Successfully argued a complex leading Court of Appeal decision on company and insolvency law (Seah Teong Kang v Seah Yong Chwan [2015] 5 SLR 792).

International Arbitration (SIAC)

  • Successfully acted for a top Japanese spa chain in one of the first Expedited Arbitrations in the SIAC under the 2016 Arbitration Rules, and upheld the award in a setting aside application in the High Court (Mary Chia Beauty v Slim Beauty House, OS 849 of 2017).