This Practice Note lists key judgments by the High Court, Court of Appeal and Supreme Court under the law of England and Wales delivered since 2012 relating to compensation claims by data subjects in relation to breaches of one or more of the following UK data protection laws: • the United Kingdom General Data Protection Regulation, Assimilated Regulation (EU) 2016/679 (UK GDPR) and related provisions of the Data Protection Act 2018 (DPA 2018). Assimilated law is the name given to retained EU law (REUL) which remains in force after the end of 2023, such as the UK GDPR. The re-categorisation of REUL (and associated terms) to assimilated law reflects a change in its status and treatment under UK law, in that it is generally to be interpreted according to ordinary domestic law and principles. From 1 January 2024, REUL is ‘assimilated’ into domestic law by virtue of the fact it is generally stripped of EU-derived interpretive effects (eg supremacy of EU law, directly effective rights, and general principles