Full coverage: defamation

The businessman behind Centz discount stores and the collapsed Iceland frozen food chain in Ireland has initiated High Court proceedings against online publication The Journal.

News network CNN has so far failed to prove the United States is a more appropriate forum to hear the businessman's defamation claim, the High Court found.

Should interviewees be warned to take out personal media insurance before appearing on television or in publications, the former presidential candidate asked the Supreme Court following a struck-out defamation suit?

The High Court has found it unnecessary for the Nobel-prize winning economist to testify as an expert witness for The Irish Times, which is defending its article on grounds of fair and reasonable publication on a matter of public interest.

Journalists Aoife Moore and Allison Morris are suing former Sunday Independent columnist Eoghan Harris for allegedly defaming them on Twitter. Pre-trial orders to get the social media company to divulge information about accounts on the platform have come at a cost.

Aaron Rodericks has previously claimed he was suspended and exposed to a "sham" disciplinary process for allegedly retweeting and liking tweets critical of the tech billionaire.

Dublin Bay South TD Chris Andrews is suing the newspaper and its political correspondent Harry McGee over a piece analysing Sinn Féin's response to the Hamas attack on Israel last month.

Aer Lingus pilot Padraig Higgins had his €387,000 jury award for defamation against the Irish Aviation Authority slashed on appeal. Now the Supreme Court has agreed to look at jury assessments as a matter of public importance.

After three days in front of a High Court jury, the judge decided that Michael Reilly’s defamation case had come to an end as the article was 100% accurate. The fact that it reached the court says much about the system.

Justice Richard Humphreys is alleged to have made baseless, damaging remarks about a senior counsel and a solicitor. The judge has previously been criticised by the Supreme Court for making humiliating and insulting comments about barristers that appeared before him.