Question juridique clé
Whether the tenants had a legally protected interest to appeal the cantonal judgment on the lease termination and refusal of lease extension.
Solution extraite
Yes. As parties to the lease, the tenants were materially affected by the judgment confirming the termination and denying extension, even if they no longer occupied the apartment or lived in Switzerland.
Motifs extraits
The loss of contractual rights caused by the termination is sufficient to establish legal interest. Cantonal procedural law may not interpret standing more narrowly than federal law; the appeal court wrongly denied standing by focusing on current residence and intent to return.