Discussion on if a work classified as "derivative" must continue on the media, generating all kinds of reproduction. Suit taken by the author of the so-called original work that was transformed without authorization (art. 29, III, of Law 9610/98), characterizing “intellectual fraud” and “usurpation”. Need for suitable evidence (obtained with the appreciation of the adversarial process) for the purposes of granting the urgent measure. The court rejected the request and the property rights will be decided objectively in the future. Decision that strives for balance in not provisionally deciding a conflict marked by evidentiary uncertainties. Decision confirmed.