Kernrechtsfrage
Whether the U.S. judgment was final and enforceable under Art. 25 lit. b LDIP
Extrahierter Entscheid
The challenge was inadmissible because it had not been raised before the cantonal authority.
Extrahierte Begründung
In public-law appeal, only arguments raised below are generally admissible; the recourse failed to show that the finality finding was contested cantonally.