Connected case The present invention relates to a flexible protective case (1) for a document (2) of a client, of generally parallelepipedal shape and comprising at least one side (3, 4) and reception means (5 ) arranged to receive and hold in position on the inner face of said panel (3,4) the document (2) to be protected, said protective case (1) being remarkable in that it comprises at least one electronic label (11) of the NFC type comprising an antenna (12) and an electronic chip (13), and being glued to said panel (3,4) and provided with a unique identification number. The invention also relates to a method for analyzing the use of said protective case (1).
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