This research aims to analyze aspects related to personal identity, especially regarding the conceptualization of this personality right and how it is understood, not only by doctrine, but also by legislation and case law in Brazil. The importance of the topic is due to the need to broaden the understanding of personal identity as a personality right and its repercussions on the full development of each individual, as well as its effective protection. In this sense, this study seeks to identify personal identity as an autonomous personality right, to analyze its protection through the study of legislation and case law, including foreign legislation, and to identify the possible and consequent threats to other personality rights in the face of a possible legal-protective deficit of personal identity. To this end, the study uses the hypothetical-deductive method, with bibliographical analysis as the main methodological procedure.
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