ジェフリー・ Y・M ・チャン

• A PRC employer on defective glass curtain walls with nickel sulphide inclusions in relation to a project in the PRC. Seat: CIETAC.
• On an observation tower and entertainment project in Macau in its entirety including the engagement of consultants of different disciplines, finalising their terms of engagements and advising on liability for defects in the design drawings and claims by the contractor. Seat: HKIAC.
• Employers in relation to the duty to re-nominate nominated subcontractors, disputes on extensions of time, loss and expense, the copyright in drawings provided by the nominated subcontractors. Seat: HKIAC.
• An employer on various issues including professional negligence, CAR insurance, extension of time and variation orders in relation to the collapse of civil engineering works in the PRC.
• An employer in relation to defective tiles in projects in China. Seat: CIETAC.
• A contractor in relation to defect tiles in Hong Kong. Seat: HKIAC.
• An employer in relation to professional negligence issues arising out of civil engineering works in China. Seat: HKIAC and CIETAC.
• A blue chip developer in relation to latent defects found on the stone façade of a commercial development and potential causes of actions against various parties including consultants, contractors, stone supplier, etc.

Advised and acted for:

• A PRC public authority in relation to claims for prolongation disruption delay to the tune of RMB 7 billion in respect of a hydro-electric dam and powerplant which involved multiple critical paths. Seat: Stockholm Chamber of Commerce arbitration proceedings.
• An NYSE listed electronics company in relation to legal and arbitration proceedings in Hong Kong and in the PRC. The dispute concerned the escalation of the cost of construction of factory premises. Seat: CIETAC.
• A large contractor in relation to claims for uncharted utilities, variations, extensions of time and loss and expense arising out of civil engineering works in Hong Kong against the Drainage Services Department. Seat: HKIAC.
• A firm of consulting engineers in a High Court Action in Hong Kong and successfully defending the same (Secan Limited v Associated Consulting Engineers [HCCT 93 / 1999]).

Acted for:

• Various construction companies in the Commission of Inquiry on excess lead found in drinking water in public rental housing developments in Hong Kong, including advising on various contractual issues and expert evidence input from various disciplines including health, water quality, etc.
• Hong Kong and China Gas Co Limited in relation to its Shenzhen - Tai Po submarine pipeline project in its entirety.
• Hong Kong and China Gas Co Limited in relation to a major gas explosion in Hong Kong.
• Acted for a blue chip company on the environmental and construction issues in relation to the construction operation and testing of a pilot incineration plant.
• A quarry company in relation to various construction claims arising from a Government quarry rehabilitation contract. Seat: HKIAC.
• A contractor in relation to variation and defective materials dispute arising from a luxury residential development in Tuen Mun. Seat: HKIAC.
• A main contractor against a sub-contractor in relation to measurement and valuation claims and claims for loss of profit exceeding arising from road and drainage works.

Appointed as arbitrator in various arbitration cases, representative cases include:

• –HKIAC/A15098
• –HKIAC/17096A
• –HKIAC/A17086
• –HKIAC/A19177
• –HKIAC/A19178
• –HKIAC/A19179

• "Excellent … very commercially astute and is always prepared to do whatever it takes to get the best possible result in a case for his clients."– The Legal 500 Asia Pacific 
• Recommended - Leading Construction & Infrastructure Litigation Lawyers, Hong Kong – Doyle's Guide
• “Mayer Brown's team led by Geoffrey Chan possesses ‘deep knowledge and experience.’” – The Legal 500 Asia Pacific
• Leading Individual - Construction, Hong Kong – The Legal 500 Asia Pacific
• Leading Individual - Construction (International Firms), China – Chambers Greater China Region and Chambers Asia Pacific
• Expert - Construction and Real Estate, Hong Kong – Expert Guides
• Recognised Practitioner - Construction (China) – Chambers Asia Pacific
• Leading Practitioner - Construction, China (International Firms) – Expert Guides
• "Delivers sound advice" (Construction: Hong Kong) – The Legal 500 Asia Pacific
• Recipient of the Caernarfon Award from the Institute of Quarrying in New Zealand
• "Valued for his ability to 'understand complicated facts and grasp the gist of the matter quickly.'" – Chambers Asia Pacific
• "Highly skilled in contentious matters, particularly construction-related cases" – The Legal 500 Asia Pacific

• Hong Kong Branch Member, Lighthouse Club
• Deputy District Court Judge (May 2009)
• Adjunct Professor, the University of Hong Kong, Department of Engineering, Construction Law
• Honorary Legal Adviser, The Hong Kong Federation of Electrical and Mechanical Contractors Limited
• Legal Adviser, Hong Kong Electrical Contractors' Association Limited
• Legal Adviser, Hong Kong Plumbing and Sanitary Ware Trade Association Ltd