Questione giuridica chiave
Whether a public-law appeal was admissible against the refusal to renew the residence permit.
Decisione estratta
No; the appellant had no enforceable right to the permit under federal law or an international treaty, so the ordinary public-law appeal was excluded.
Motivazione estratta
Art. 83(c)(2) LTF bars such appeals in foreigner-permit cases unless a legal entitlement exists; Art. 8 ECHR was not applicable because the spouse and children did not have a secure right to reside in Switzerland.