Question juridique clé
Whether an appeal in public law matters was available against the refusal to renew the residence permit.
Solution extraite
No. The applicant had no enforceable right to the permit under federal law or Article 8 ECHR because his children and former spouse did not have a sufficiently entrenched residence status.
Motifs extraits
Family life protection under Article 8 ECHR requires that the family member in Switzerland have a secure right of residence; mere residence permits are insufficient. No particularly intense private life ties were shown either.