Question juridique clé
Whether the federal appeal against protective measures of the marital union was admissible and limited to constitutional grievances.
Solution extraite
The appeal was admissible in principle, but only constitutional violations could be invoked because the decision concerned provisional measures.
Motifs extraits
Protective measures are civil final decisions for LTF purposes, yet qualify as provisional measures under Art. 98 LTF, restricting review to constitutional rights.