59The principle prohibiting abuse of rights, under which no one may seek to misuse rules of law, is one of the general principles of law compliance with which is ensured by the courts (see, to that effect, Case C-162/07Ampliscientifica and Amplifin [2008] ECR I-4019, paragraphs 27, 30 and 32 and the case-law cited, and Case T-271/04Citymo v Commission [2007] ECR II-1375, paragraph 107 and the case-law cited).