Questione giuridica chiave
Whether the federal public law appeal was admissible against the refusal to renew the residence permit.
Decisione estratta
It was inadmissible because no federal or international right to the permit could be relied upon.
Motivazione estratta
Once the applicant no longer invoked a marriage-based entitlement, the case fell under Art. 83 lit. c ch. 2 LTF, excluding the ordinary public law appeal.