Kernrechtsfrage
Whether new evidence and a further expert report had to be admitted
Extrahierter Entscheid
The new documents were inadmissible because they concerned facts that arose only after the cantonal judgment and the lower court could not have been required to gather them ex officio.
Extrahierte Begründung
Under the limited review of facts, new evidence is allowed only where the lower court should have taken it and its omission violated essential procedure. That was not the case here.