Yanguang Ker
Yanguang is a Director in Prolegis LLC and the Deputy Head of Litigation for the Herbert Smith Freehills Kramer Prolegis Formal Law Alliance.
Yanguang is a commercial disputes lawyer who advises and leads clients in the resolution of high value and complex commercial disputes with strategic clarity and sound judgment. He works with domestic and international clients at all stages of a dispute, from early risk assessment through to resolution, and regularly conducts litigation and arbitration on behalf of clients before the Singapore Courts and major international arbitration institutions. Yanguang is frequently engaged in matters involving heightened business, reputational or control risk, where disputes require crisis management leadership, swift assessment and clear strategic direction. Clients value his ability to bring a calm, commercially grounded perspective to complex situations, and to focus quickly on the issues and outcomes that matter most to them.
Yanguang has been recognised by leading legal publications for his disputes practice, including being named to Benchmark Litigation’s Top 40 Under 40 list for the Asia Pacific region, LexisNexis’ 40 Under 40 (2025), and Asian Legal Business Singapore Rising Stars (2025). He has also been recognised as one of Singapore Business Review’s 2024 Most Notable Lawyers Under 40. He is an experienced litigator, appearing as counsel in more than 40 written judgments of the Singapore Courts.
Yanguang is consistently named in legal directories for his acumen and expertise in disputes and employment. Clients and peers describe him as having a "sharp legal intellect and practical, solutions-driven approach… making complex issues easy to navigate" (Legal 500 Asia Pacific 2026: Dispute Resolution), and as being "highly responsive… always goes above and beyond" (Legal 500 Asia Pacific 2025: Dispute Resolution). He has also been recognised as an “up-and-coming next generation commercial litigator and one to watch” (Legal 500 Asia Pacific 2024: Dispute Resolution), having a “deep knowledge of the law and a tenacious drive to secure the best outcome for his clients” (Legal 500 Asia Pacific 2023: Dispute Resolution), and as a “formidable lawyer” who “delivers results” (Legal 500 Asia Pacific 2022: Labour & Employment).
He has extensive experience across a broad range of complex disputes, including arbitration related litigation, employment and professional negligence disputes, asset freezing and injunctive relief, cryptocurrency, private equity and construction matters. He has acted for a diverse portfolio of clients, ranging from state owned entities and global multinational corporations to venture capital funds and high net worth individuals across the marine, energy, infrastructure, technology and consumer sectors.
In addition to his disputes practice, Yanguang has an active employment law practice, advising on contentious and sensitive employment matters including termination disputes, internal investigations, post-termination restrictions and employee settlements.
His practice also covers advising on regulatory investigations relating to anti-money laundering and anti-corruption legislation, and white-collar criminal defence. He volunteers as counsel with the Legal Assistance Scheme for Capital Offences (LASCO) in Singapore.
Experience & capabilities
Selected matters
Arbitration & Award Enforcement
- Successfully representing a shipyard owner in resisting setting aside proceedings of an international arbitral award relating to the purchase of drilling rigs, culminating in one of the leading case authorities on setting aside arbitral awards in Singapore
- Successfully setting aside an arbitral award in the Singapore Courts over claims for IT security services provided to a world-famous cryptocurrency exchange for breaches of natural justice and arbitral procedure
- Successfully representing a state-owned energy company in resisting setting aside proceedings of a US$120 milllion arbitral award brought by a Philippine conglomerate, and in the subsequent Asia-wide enforcement proceedings
Construction and Professional Indemnity
- Successfully defending a firm of professional engineering consultants in a US$25 million negligence claim in the Singapore Courts over the construction of the mechanical & electrical systems of a data centre
- Successfully defending a firm of professional engineering consultants in one of the longest-running civil trials in the Singapore Courts for alleged defects in façade design in relation to a "Grade A" office building in Singapore, involving 6 parties and more than 30 factual and expert witnesses
- Representing the owner of an oil & gas terminal in Sharjah, the United Arab Emirates in US$30 million delay and variation claims against the main contractor in an ICC arbitration
Labour & Employment
- Advising various MNCs in Singapore on the termination and retrenchment of both senior and rank-and-file employees
- Advising various clients on restrictive covenants and anti-poaching activities, policies and disputes
- Conducting investigations for employers into allegations of employee wrongdoing, and representing various MNCs in unlawful dismissal lawsuits in the Singapore Courts
Background
Yanguang graduated from the National University of Singapore with an LLB (Hons). He is an Advocate and Solicitor of the Supreme Court in Singapore and a Solicitor, England and Wales.
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