The regulator is seeking an injunction preventing the company from using EU users’ data to train an AI-powered tool called Grok, which it believes would breach its obligations under the GDPR.

In a statement, X claimed the legal action is “unwarranted, overbroad and singles out X without any justification”.

It added: “We’ve been proactive in working with regulators, including the Irish Data Protection Commission, relating to Grok since late 2023, and have been fully transparent with them about the use of public data relating to AI models.

“This has included providing necessary legal assessments and engagements where it’s been discussed in length.

“X directly communicated to users how it uses data to train AI and X’s policies have been updated since 2023 to better reflect that, among many other transparency measures.

“While many companies continue to scrape the web to train AI models with no regard for user privacy, X has done everything it can to give users more control over their data.”

Ms Justice Leonie Reynolds yesterday granted the DPC permission to service short notice of the injunction proceedings, with the matter to return to the High Court this week.

The DPC was represented in court by Remy Farrell SC and David Fennelly BL, instructed by Philip Lee.