Thomas v Mowbray & Ors

The High Court of Australia considered the case of Thomas v Mowbray & Ors, brought by the applicant, Thomas, against the respondents, Mowbray and others. The dispute concerned the validity of a control order made against Thomas under the *Security Legislation Amendment (Terrorism) Act 2002* (Cth). Thomas sought to challenge the lawfulness of this order.

The central legal issue before the High Court was whether the provisions of the *Security Legislation Amendment (Terrorism) Act 2002* (Cth) that permitted the making of control orders, and the specific control order made against Thomas, were constitutionally valid. This involved an examination of whether these provisions were compatible with the implied freedom of political communication, a right inferred from the text and structure of the Australian Constitution.

The Court, by majority, held that the control order regime, including the specific order made against Thomas, was constitutionally valid. The majority reasoned that while the implied freedom of political communication is a fundamental aspect of the Australian system of government, it is not absolute and can be limited by laws that are reasonably appropriate and adapted to the purpose of protecting the community from terrorism. The Court found that the *Security Legislation Amendment (Terrorism) Act 2002* (Cth) served a legitimate purpose of national security and that the control orders it authorised were a proportionate means of achieving that purpose, notwithstanding their impact on political communication. The Court distinguished the present case from previous authorities where restrictions on political communication had been found to be invalid.

The High Court dismissed the application.