Kernrechtsfrage
Whether the appeal against the cost-advance order was admissible despite being an interlocutory decision.
Extrahierter Entscheid
Yes. The order could cause irreparable harm and the value threshold was met.
Extrahierte Begründung
A cost-advance order is an interlocutory decision that may create an irreparable disadvantage; in this collateral action the dispute value requirement was satisfied.