This book analyzes the phenomenon of civil liability in the Consumer Protection Code, a very important topic, taking into account that consumer relations make up the absolute majority of legal relations in general, and are consequently the most the absolute majority of legal relationships in general, and that, consequently, they are the ones that most clog up the Judiciary. It focuses on the protective and paternalistic spirit imprinted by the legislator in the CDC, which, recognizing the hyposufficiency of the consumer in relation to the supplier, the stronger party in the consumer relationship, adopted different institutes when dealing with civil liability, such as the institution of objective liability and the extinction of the old dichotomy of liability and the extinction of the old contractual/extracontractual liability dichotomy. Through a bibliographical and jurisprudential review, the work addresses the issues relating to liability for the fact and defect of the product and service, provided for, respectively, in the following sections service, provided for, respectively, in sections II and III of the CDC, goes into the hypotheses that exclude the civil liability of the supplier and distinguishes the liability of liberal professionals, dealing, finally, with the limitation and decay periods provided for in that code.