Western Australia v Brown

The High Court of Australia considered an appeal by the State of Western Australia concerning native title rights in relation to land at Mount Goldsworthy. The dispute arose from an agreement made in 1964 between the State and joint venturers for the development of iron ore deposits, which led to the granting of mineral leases. The core of the disagreement involved whether these mineral leases granted the joint venturers a right of exclusive possession, and if so, whether this right was inconsistent with, and therefore extinguished, the claimed native title rights and interests of the native title holders.

The legal issues before the High Court were whether the mineral leases granted to the joint venturers conferred a right of exclusive possession over the land, and consequently, whether the native title rights and interests were extinguished by the actual or potential conflicting use and development of the land by the joint venturers subsequent to the grant of those leases. The Court was required to determine the nature of the rights conferred by the mineral leases and their impact on the native title rights.

The High Court reasoned that while the joint venturers' rights under the mineral leases took priority over native title rights when exercised, this did not amount to a complete extinguishment of native title. The Court observed that the exercise of rights by the joint venturers, such as building a house, meant that native title holders could not simultaneously occupy that specific area for their traditional purposes. However, the Court held that when the joint venturers ceased to exercise their rights, or their rights came to an end, the native title rights and interests would remain unaffected. The appeal was dismissed, with the State ordered to pay the costs of the first respondents.