A New Era for Software Patents
On February 5, 2026, Australia’s High Court rejected the Commissioner of Patents’ request for special leave to appeal regarding Commissioner of Patents v Aristocrat Technologies Australia Pty Ltd. This decision solidifies the Full Federal Court’s 2025 ruling on computer-implemented invention (CII) patentability, ending a decade-long period of uncertainty for software patent applicants in Australia.
Background
The dispute originated in 2017–2018 when IP Australia rejected four innovation patents from Aristocrat Technologies related to electronic gaming machines featuring configurable symbols and interdependent player interfaces. The refusals claimed the inventions lacked "manner of manufacture" status under Australia’s Patents Act. The case progressed through multiple court levels, including a deadlocked 3-3 High Court split in 2022.
The Full Federal Court’s 2025 Approach
The unanimous Full Court decision established that computers function as tools rather than distinct legal categories. The pivotal test examines whether an invention is:
- An abstract idea merely manipulated digitally, or
- An abstract idea implemented to generate "a useful, artificial state of affairs and a useful result"
Key rulings emphasised that "advance in computer technology" assessments are unnecessary, and technological innovation within a specific field (such as gaming systems) can satisfy patentability requirements independently.
The High Court’s February 2026 Refusal
The High Court stated there was "insufficient reason to doubt the correctness" of the Full Court’s decision, endorsing the unanimous reasoning and characterisation methodology as establishing authoritative guidance. This brings to a close a decade-long period of significant uncertainty over how computer-implemented inventions should be assessed in Australia.
Practical Implications for Software Innovators
This landmark decision strengthens patent protection prospects for software-driven innovations in Australia. Key benefits for innovators include:
- Fewer automatic subject matter rejections during patent examination
- Elimination of "computer-implemented inventions" as a separate patentable category requiring special treatment
- Greater applicability of holistic claim evaluation rather than rigid filters
- Potential updates to IP Australia’s examination guidelines to reflect the new authoritative standard
Ongoing considerations remain: individual cases still depend on whether claims demonstrate tangible, useful outcomes beyond abstract processing. Provided inventions deliver concrete utility through computer implementation, the path to patent protection is now considerably clearer.
What This Means for Your Software Patent Strategy
With the law now settled, software and technology companies should reassess their IP strategy in light of this more favourable patentability landscape. Claims that were previously considered borderline may now be worth pursuing. Key considerations include:
- Framing claims around the useful, artificial state of affairs your invention produces
- Demonstrating concrete technical outcomes rather than abstract processing steps
- Filing provisional patent applications early to secure priority dates while the examination landscape adapts
- Considering PCT applications to protect innovations across key markets including the US, EU, and Singapore
Software IP in Action:
Questions from Tech Founders
Following the High Court's February 2026 ruling in Aristocrat, software patent protection in Australia has entered a new era. Here are answers to questions we hear from founders and CTOs navigating this improved landscape.
Some of our software, apps and computer industry clients include:
