Special leave in Aristocrat refused: Australia’s approach to patentability of CIIs settled
11 February 2026
Following the High Court’s refusal of special leave to the Commissioner of Patents on 5 February 2026, Australia now has a clear position on computer-implemented inventions (CIIs): the Full Federal Court’s September 2025 articulation of the test in Aristocrat Technologies Australia Pty Ltd v Commissioner of Patents[1] remains the settled law.
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