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Wei Mun Chang

Work +603 2694 9999 (ext 253)
Raja, Darryl & Loh

Work Department

Dispute Resolution,Construction and Energy.


Management Partner, Head of Construction and Energy, Construction Law, Oil and Gas, Arbitration.


Admitted to the New Zealand High Court as a Barrister & Solicitor in 1985; Read in chambers in RDL and called to the Malaysian Bar in 1986; Admitted into partnership in 1991; Immediate Past President of the Malaysian Institute of Arbitrators, Vice Chairman of the International Chamber of Commerce Malaysia, Lecturer in Brickfields Asia College of various topics in the 'Diploma in International Arbitration' course, President of the Malaysian Institute of Arbitrators.


English; Bahasa Malaysia.


Advocate & Solicitor of the High Court of Malaya; Fellow of the Chartered Institute of Arbitrators; Fellow of the Malaysian Institute of Arbitrators; Fellow of the Singapore Institute of Arbitrators; Member of Panel of Arbitrators, International Chamber of Commerce, Malaysia; Member of First Panel of Arbitrators, Kuala Lumpur Regional Centre for Arbitration; Member of Panel of International Arbitrators, Korean Commercial Arbitration Board; Registered Mediator with the Malaysian Mediation Centre; Member of Panel of Arbitrators, Hong Kong International Arbitration Centre.


Bachelor of Laws, University of Canterbury [1985].


Dispute resolution

Within: Dispute resolution

The ‘fantastic and experienced team’ at Raja, Darryl & Loh is headed by Darryl Goon, who is well known for his vast litigation expertise. Goon and Raja Eileen Soraya are leading the advice to a medical practitioner and Sunway Medical Centre in a dispute related to the vicarious responsibility of medical institutions in negligence cases. Arbitration experts Chang Wei Mun and Choon Hon Leng are also active members of the practice. Notable clients include Hong Leong Group, the Medical Protection Society and the Edge Media Group.

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Projects and energy

Within: Projects and energy

At Raja, Darryl & Loh, Chang Wei Mun advises clients at all stages of construction projects, from the submission of tenders and bids, project implementation, to completion and related potential disputes arising after completion of the project.

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Real estate and construction

Within: Leading individuals

Chang Wei Mun - Raja, Darryl & Loh

Within: Real estate and construction

Raja, Darryl & Loh fields a very experienced team of lawyers, who have been particularly active recently in advising clients on construction matters ranging from the submission of tenders and bids, the drafting of necessary documentation, to project implementation and dispute resolution. Practice head Chang Wei Mun is a construction specialist. The team is representing KL Eco City (the developer of a major integrated development) in an injunction filed by the contractor, in connection with the collapse of a bridge across the Klang River which caused loss of life, injury and substantial damage to property; the client has also filed a claim for damages estimated to be in excess of RM20m. The department has also been hired by a major corporation to revamp and standardise its construction contracts with contractors and subcontractors. Construction litigation and arbitration specialist Choon Hon Leng is also recommended.

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Legal Developments by:
Raja, Darryl & Loh

  • Amendments to the Employment Act 1955

    The Employment (Amendment) Act 2012 received royal assent and became law on 30th January 2012. It has now come into operation since 1st April 2012.
    - Raja, Darryl & Loh

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