Lindner v Murdock's Garage

Murdock's Garage, a firm operating a garage business in Crystal Brook and Wirrabara, South Australia, entered into a service agreement with Lindner, a motor mechanic. The agreement contained a restrictive covenant preventing Lindner from engaging in a similar business for one year after the termination of his employment. Lindner subsequently left Murdock's employ and took up work at a competing garage in Crystal Brook, prompting Murdock's Garage to seek an injunction. The case was heard in the High Court of Australia on appeal from the Supreme Court of South Australia.

The central legal issue before the High Court was the validity of the restrictive covenant in the employment agreement. Specifically, the court had to determine whether the covenant was reasonably necessary for the protection of Murdock's Garage's business interests and whether it was unduly restrictive on Lindner's ability to earn a livelihood, considering public interest and the specific nature of Lindner's employment. The court also had to consider whether the geographical scope of the covenant, encompassing both Crystal Brook and Wirrabara, was justifiable, particularly given Lindner's employment solely at Crystal Brook.

A majority of the High Court (McTiernan, Webb, and Kitto JJ.) found the restrictive covenant to be void. Their reasoning was that the area encompassed by the covenant was wider than reasonably necessary to protect Murdock's business. Furthermore, as Lindner could have been employed in either Crystal Brook or Wirrabara under the agreement, and the validity of such covenants is assessed at the time of the agreement's formation, the court held that the covenant could not be upheld as two separate, severable restrictions. McTiernan J. also noted that the covenant was detrimental to the public interest, unreasonable in relation to Lindner's interests, and imposed solely to prevent competition rather than protect legitimate business interests.

The High Court reversed the decision of the Supreme Court of South Australia. The appeal was allowed, and the injunction granted by the trial judge was set aside.