Question juridique clé
Whether the civil appeal remained justiciable after the cantonal judgment was annulled.
Solution extraite
The appeal had become moot and was therefore struck out.
Motifs extraits
Because the Kassationsgericht annulled the appealed cantonal judgment and no further federal appeal was filed against that annulment within the statutory period, there was no longer any live object for the Supreme Court to decide under Art. 32(2) BGG.