What is defamation in Australia and what law governs it?
Defamation in Australia occurs when a person publishes material that conveys a defamatory meaning about an identifiable person, causing damage to their reputation. Defamation law is governed by the uniform Defamation Acts enacted in each state and territory, based on a national model law. Major reforms took effect in 2021 and introduced a serious harm threshold.
What is the serious harm threshold introduced in the 2021 defamation reforms?
The 2021 amendments to the uniform Defamation Acts introduced a serious harm element. A person cannot sue for defamation unless the publication has caused, or is likely to cause, serious harm to their reputation. This threshold was designed to filter out trivial claims and reduce litigation over minor reputational impacts.
Who can sue for defamation in Australia?
Individuals can sue for defamation. Companies with fewer than 10 employees and not-for-profit organisations can also sue. Large corporations with 10 or more employees generally cannot sue for defamation under the uniform Acts, though they may have other remedies. The plaintiff must be identifiable from the publication.
What is a concerns notice under Australian defamation law?
A concerns notice is a formal written notice sent to the publisher before filing a defamation claim. The 2021 reforms made serving a concerns notice a mandatory prerequisite to commencing proceedings in most states. The notice must identify the publication, specify the defamatory imputations, and state the serious harm caused. The publisher then has 28 days to make an offer to make amends.

What defences are available to a defamation claim in Australia?
Key defences include: justification (the imputations were substantially true), honest opinion (the publication was a genuine expression of opinion on a matter of public interest), qualified privilege (the publication was made in circumstances of reciprocal duty or interest), and the 2021 public interest defence for matters of public concern.
What is the time limit to sue for defamation in Australia?
The limitation period for defamation claims is one year from the date of publication under the uniform Defamation Acts. In some states this can be extended to three years in limited circumstances. This is a strict deadline — always check with a solicitor if you are close to the limitation period.
What does an offer to make amends involve in Australian defamation law?
An offer to make amends is a formal offer by the publisher to remedy the defamation. It typically includes publishing a correction or apology, paying compensation, and covering reasonable costs. If a sufficient offer is made and rejected, it can be used as a defence in subsequent proceedings. The process is designed to resolve defamation disputes without court proceedings.

Do I need a lawyer to send a concerns notice in Australia?
No. You can draft and send a concerns notice yourself. However, the notice must meet specific legal requirements under the uniform Defamation Acts to be valid. An invalid concerns notice could undermine your claim. Given the complexity of defamation law and the serious harm threshold, legal advice before sending a concerns notice is strongly recommended.
What compensation can be awarded in Australian defamation cases?
Courts can award general damages for hurt feelings, loss of reputation, and loss of income. Aggravated damages may be awarded where the defendant's conduct has been particularly harmful. The 2021 reforms capped non-economic damages at around $450,000 in most circumstances. Special damages for economic loss can be awarded separately.
How does uplaw.ai help with defamation matters in Australia?
Tell us what was published, where it appeared, who published it, and how it has affected you. We will help you understand whether the serious harm threshold may be met, explain the concerns notice process, and identify whether the pre-litigation steps under the 2021 reforms apply to your situation.

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Been defamed? Tell uplaw.ai what was published about you.
No account required. uplaw.ai helps you understand the serious harm threshold and guides you through the 2021 concerns notice process.

