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Tse Wei is an international arbitration lawyer specialising in construction and engineering disputes.

Tse Wei advises on construction, commercial and investment disputes across the Asia-Pacific with particular experience of technical engineering, infrastructure and energy matters. He represents multinational clients and appears as counsel (advocate) in high-value arbitrations under major institutional rules (including ICSID, ICC, HKIAC, SIAC and AIAC) involving public international law and various common and civil law jurisdictions. His experience also includes managing and coordinating multi-jurisdictional proceedings.

Tse Wei also has experience with litigation before Malaysian courts on disputes across a broad range of industries, including complex contractual, shareholder, insolvency and civil fraud disputes. He has acted as sole counsel in arbitration-related applications and contentious insolvency proceedings.

Tse Wei is a panel arbitrator. He has authored international publications on construction law and arbitration, including practitioner texts on comparative construction and arbitration law, and has been cited by the Malaysian High Court.


Tse Wei has been called to the English and Malaysian Bars. He holds a Bachelors and Masters of Law from the London School of Economics, and is a Fellow of the Chartered Institute of Arbitrators. He is currently the Co-Chair (Asia Pacific) for the Campaign for Greener Arbitrations. He is fluent in English and Malay.

He previously served on the AIAC Standard Form Contracts Expert Advisory Committee and as the Co-Chair of the AIAC Young Practitioners Group.


Experience & expertise

Selected matters

  • UAE EPC contractors and Russian project owner in SIAC arbitration against US original equipment manufacturer arising from delays and technical design defects in aeroderivative turbines designed and manufactured for an LNG plant in Russia
  • a Vietnam project company in various disputes arising from the construction of Vietnam's largest refinery and petrochemical project involving claims in excess of USD1.5 billion arising from delays, disruption, defects and variations, including two Singapore SIAC arbitrations, emergency arbitration proceedings, and related court proceedings in connection with calls on the contractor's performance bonds
  • A leading global data centre operator in a Singapore-seated SIAC expedited arbitration under Singapore law arising from technical electrical engineering and design defects in a Singapore colocation data centre. Claims involved an analysis of data centre industry design standards (Uptime Institute)
  • a Chinese upstream company in a multi-billion dollar commercial fraud (Singapore-seated SIAC arbitration) in relation to the sale of oil and gas assets in the UK North Sea
  • a Thai energy company in a Singapore-seated ICC arbitration in relation to the supply of defective natural gas and condensate within the Southeast Asian market under Thai law
  • a Malaysian main contractor in an UAE-seated ICC arbitration in relation to delay, variations and defective engineering under a UAE-law-governed FIDIC Red contract for a landmark mixed-use development project in the UAE