Question juridique clé
Admissibility of the public-law appeal in an immigration residence-permit case
Solution extraite
The appeal is admissible because the appellant invokes a potential entitlement under Art. 50 LEtr.
Motifs extraits
Although Art. 83 let. c ch. 2 LTF excludes cases without a federal or international right, Art. 50 LEtr may confer such a right after dissolution of the family.