HM Courts and Tribunals Service: Data Protection
The question
To ask the Secretary of State for Justice, pursuant to the Answer of 22 September 2025 to Question 73120 on HM Courts and Tribunals Service: Data Protection, how many people whose cases may have been affected have (a) been identified and (b) been notified and (c) have yet to be contacted.
Answered by Sarah Sackman
His Majesty's Courts and Tribunals Service (HMCTS) has expanded its checks using new digital tools to analyse the full period affected – covering around 700,000 cases – to determine whether any were impacted and to what extent. Based on the first phase of this additional assurance work, which reviewed a sample of 455 potentially affected cases, one has been found to be missing a document where the judge has confirmed it could have affected the case outcome. The parties involved have been contacted directly and offered the opportunity to request that the decision be set aside and the case reheard. As the assurance work continues, HMCTS will contact any additional parties whose case outcomes may have been affected.
The CEO of HMCTS will write to the Justice Select Committee once the assurance process concludes, setting out the total number of affected cases, parties contacted, and outcome of any follow-up action.
The Department remains committed to transparency and to safeguarding the integrity of judicial decision-making. Since the response provided on 22 September 2025, the Ministry of Justice has been conducting an internal assessment of the HMCTS Core Case Data issue.
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