Questão jurídica principal
Whether the federal appeal against protective measures of the marital union was admissible and limited to constitutional grievances.
Decisão extraída
The appeal was admissible in principle, but only constitutional violations could be invoked because the decision concerned provisional measures.
Fundamentação extraída
Protective measures are civil final decisions for LTF purposes, yet qualify as provisional measures under Art. 98 LTF, restricting review to constitutional rights.