Question juridique clé
Whether the appellant had a right to renewal of the residence permit under domestic law, Article 8 ECHR, or any other treaty rule.
Solution extraite
He had no enforceable entitlement to renewal; neither family life nor private life created an enforceable right on the facts.
Motifs extraits
As an adult, he had no dependency relationship with family members in Switzerland, and no particularly intensive private ties were shown. Without a legal entitlement, ordinary administrative recourse was excluded.