El cas de Carles Mateu va arribar al Parlament Espanyol gràcies als diputats Joan Baldoví, deCompromís, i Joan Tardà, d'Esquerra Republicana.
Moreover, a group supporting Mateu was organized in his town of Almenara, and a petition on Change.org has gathered more than 11,500 signatures to demand the sentence be withdrawn. Political reactions Carles Mateu's case arrived at the Spanish Parliament thanks to the representatives Joan Baldoví of the Coalició Compromís (Compromise Coalition), and Joan Tardà , of Esquerra Republicana de Catalunya (Republican Left Party) (ERC).