M. Skyllas-Kazacos, M. Rychcik and R. Robins, in AU Patent 575247 (1986), to Unisearch Ltd.
In 1986, the term of an Australian patent was sixteen years. Thus, this Australian patent expired in 2002.
US patents only apply to the USA. They do not apply in Europe or Asia. Separate patents must be filed.
Absolutely correct — and analogously, Australian patents only apply within Australia. Did the University of New South Wales also apply for patent protection for this invention in other countries?