A defence on the merits means merely raising only an arguable or triable issue, eg contributory negligence in a running down case in White ~ Weston [1968] 2 QB 647. A judgment in default is not a judgment on the merits: L Oppenheim & Co v Mahomed Haneef [1922] 1 AC 482
Lai Yoke Ngan & Anor v. Chin Teck Kwee & Anor [1997] 2 MLJ 565 FC
