Australian Defamation Law: A State-by-State Guide (2026)
Australian defamation law is no longer uniform. Two reform stages split the states apart, and Western Australia adopted neither. See what changed and where.
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Australia Defamation Law
11 articles
Concerns Notices in Australian Defamation Law: What the Rules Require
A concerns notice is now a mandatory step before suing for defamation in most of Australia. Learn what it must contain, the waiting periods, and where it is not required.
8 min read
Defamation Damages in Australia: The $520,000 Cap Explained
Australia's cap on defamation damages for non-economic loss reached $520,000 on 1 July 2026. Learn how the cap works, and why aggravated damages sit outside it.
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Defamation Defences in Australia: The Complete List by Jurisdiction
Justification, qualified privilege, honest opinion, public interest and more. A full guide to Australian defamation defences, with the section number for each jurisdiction.
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Defamation Law in South Australia: The Partial Stage 2 Adoption
South Australia adopted Stage 1 in full but only part of Stage 2. It has no digital intermediary safe harbour, unlike NSW, Victoria, Tasmania and the NT.
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Defamation Law in Tasmania: The 12 November 2021 Commencement
Tasmania's defamation reforms commenced 12 November 2021, not 1 July 2021 as widely reported. See the correct date and how Tasmania's Act is structured.
8 min read
Defamation Law in the Northern Territory: The 2025 Reforms
The Northern Territory adopted both national defamation reform stages at once on 11 August 2025. See the new serious harm, concerns notice and intermediary rules.
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Defamation Law in Western Australia: Why It Is Different
Western Australia never adopted the 2021 or 2023 defamation reforms. No serious harm threshold, no mandatory concerns notice, and triviality still applies.
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Defamation Time Limits in Australia: The One-Year Rule Explained
Defamation claims in Australia must generally start within one year of publication. Learn how the single publication rule and concerns notices affect that deadline.
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Online Defamation in Australia: Platforms, Comments and Search Results
When is a platform a "publisher" of someone else's comment in Australia? The Voller and Defteros High Court rulings, digital intermediary rules, and South Australia's gap.
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The Serious Harm Threshold in Australian Defamation Law
Serious harm is now an element of the tort of defamation in most of Australia. Learn what it requires, who decides it, and why Western Australia has no such rule.
8 min read