This Practice Note summarises the law on product liability and defective products under the Consumer Protection Act 1987 (CPA 1987). CPA 1987 imposes liability on producers of defective products. This Practice Note considers what constitutes a defective product under CPA 1987, who in the supply chain may be liable, their degree of liability and any contributory negligence issues, the type of damages that may be awarded and the various defences available to a producer. It considers significant case law impacting the definition of defect and burden of liability under CPA 1987 as provided for in Wilkes v DePuy and Colin Gee v DePuy and also considers the plans for future reform in this area.