Ireland Defamation Law: Claims, Courts and Online Posts

In Ireland, defamation is a civil wrong, not a criminal one, and the law that governs it is the Defamation Act 2009, now amended in several important ways by the Defamation (Amendment) Act 2026. Most of that 2026 Act took effect on 1 March 2026, but one entire part, the anti-SLAPP protections in Part 7, was deliberately left out of the commencement order and is not yet law.

The single fact that decides most of what follows is timing. A defamation claim must be brought within one year, and that clock does not pause while you wait to see what a publisher will do. Which court hears the claim, and whether you have to prove the statement caused you serious harm, turn on separate questions: how much the claim is worth, and whether the person suing is an individual or a company.

Since 1 March 2026, a further change affects anyone considering a High Court claim: juries no longer try defamation actions filed on or after that date. A judge alone now decides both what the words meant and what, if anything, is owed.

Information last verified on 21 July 2026. This page presents general legal information, not legal advice.

Jurisdiction scope: This hub covers civil defamation law in Ireland (the Republic of Ireland) under the Defamation Act 2009 and the Defamation (Amendment) Act 2026. It does not cover Northern Ireland, the United Kingdom, or any other jurisdiction, and it does not cover criminal law.

What you have to prove, and which court hears it

Whether you have a case starts with what a plaintiff actually has to establish, and that is covered in full in our guide to making a defamation claim in Ireland. That guide also sets out the defences a defendant can run, the offer of amends process, and what a successful plaintiff can actually recover.

Where the claim is heard depends on what it is worth. The Circuit Court hears defamation claims up to 75,000 euros, and the High Court hears anything above that figure. The 50,000 euro figure still repeated on many Irish websites was deleted from the law with effect from 3 February 2014, so any source still citing it is describing a limit that has not existed for more than a decade.

The one year clock

A defamation action must be brought within one year of the statement being made. A court can extend that to a maximum of two years, but only where it is satisfied of the test set out in section 11(3A) of the Statute of Limitations, and that extension is not automatic or routine.

For a statement posted online, working out when that one year clock actually starts is its own question, because the date is tied to when the statement was first capable of being viewed rather than when it was written. Our guide to online defamation in Ireland covers how that date is worked out, and why it can matter if a post is later shared, reposted or re-indexed elsewhere.

What changed on 1 March 2026, and what has not

Three changes from the Defamation (Amendment) Act 2026 commenced together on 1 March 2026, under S.I. No. 61 of 2026. Juries no longer try High Court defamation actions filed on or after that date, so a judge alone decides both meaning and damages. A serious harm test now applies, but only to bodies corporate, with a further serious financial loss gate for companies that trade for profit; an individual plaintiff in Ireland still does not have to prove serious harm.

What has not changed is anti-SLAPP protection. Part 7 of the same 2026 Act was left out of that commencement order, so Ireland currently has no operative mechanism for a defendant to have a strategic lawsuit against public participation struck out or fast-tracked for dismissal.

Settling instead of going to trial

The offer of amends under sections 22 and 23 of the Defamation Act 2009 is the mechanism that decides most Irish defamation disputes before they reach a hearing, and it cannot be made once the defence has been delivered, so timing matters. Our guide to making a defamation claim walks through how the offer of amends works and what it does to costs and damages if it is accepted or refused.

Civil legal aid is not available for a defamation claim in Ireland. The Civil Legal Aid Act 1995 designates defamation as a matter for which legal aid shall not be granted, which is part of why an early, well-pitched settlement route matters so much in practice.

If a defamatory post is already up

For a live online post, our guide to online defamation in Ireland sets out the order of operations: starting with the platform itself under the EU Digital Services Act's notice and action rules, then, if the poster is anonymous, the new section 45 identification order or the older Norwich Pharmacal order, both of which put the intermediary, not the court, in the position of having to hand over identifying details. Ireland's Digital Services Coordinator for the Digital Services Act is Coimisiun na Mean.

A section 45 order is not a formality. The Circuit Court will only make it where it is satisfied a defamation claim is likely to succeed at trial, and section 45(5) lets the court order the applicant to pay the intermediary's costs regardless of whether the order is granted, so it carries its own financial risk.

Disclaimer

This hub presents general legal information about defamation law in Ireland, verified on 21 July 2026. It is not legal advice and does not create a solicitor-client relationship. Time limits, thresholds and remedies described here can change, and how they apply depends on your specific facts. For advice on your situation, consult a solicitor practising in Ireland.