R v Federal Court of Australia; ex parte WA National Football League

The High Court of Australia was asked to determine whether the Federal Court of Australia had acted in excess of its jurisdiction in issuing certain orders. The applicants, the WA National Football League and its constituent clubs, sought to prohibit the Federal Court from continuing proceedings concerning alleged breaches of the Trade Practices Act 1974 (Cth) and the Australian Football League's constitution. The dispute centred on the AFL's proposed national competition and the potential impact on the WA National Football League's existing competition.

The primary legal issue before the High Court was whether the Federal Court possessed the constitutional power to grant the relief sought by the AFL, specifically concerning the regulation of sporting competitions and the enforcement of private contractual arrangements. This involved an examination of the scope of federal judicial power, the interpretation of the Trade Practices Act, and the extent to which federal courts could intervene in the internal affairs of sporting organisations. The court also considered whether the AFL's actions constituted conduct that attracted the operation of the Trade Practices Act.

The High Court ultimately held that the Federal Court had acted within its jurisdiction. The majority reasoned that the Trade Practices Act, as a valid exercise of the Commonwealth Parliament's legislative power, extended to regulating conduct in relation to sporting competitions, particularly where such conduct had a commercial or economic dimension. The court found that the AFL's proposed national competition and its associated rules and agreements had such a dimension, thereby falling within the purview of the Act and the Federal Court's remedial powers. The principles of federalism and the separation of powers were considered, but the court concluded that the legislative grant of power to the Federal Court was clear and did not unduly encroach upon state powers or the autonomy of private associations.

The High Court discharged the order nisi for prohibition, meaning the Federal Court was permitted to continue with its proceedings.