Kernrechtsfrage
Whether the federal nullity appeal remained admissible after the cantonal cassation court set aside the appellate judgment and remanded the case.
Extrahierter Entscheid
The appeal had no object anymore and had to be struck from the docket as moot.
Extrahierte Begründung
Once the cantonal cassation court annulled the appellate judgment, there was no longer an impugned decision before the Federal Court.