Kernrechtsfrage
Whether the constitutional complaint was admissible against the cantonal cassation decision and the commercial court judgment.
Extrahierter Entscheid
The complaint was admissible only against the cantonal cassation decision; criticism of the first-instance judgment was inadmissible under the principle of relative subsidiarity.
Extrahierte Begründung
A state-law complaint lies only against the last cantonal decision. Since a cantonal nullity complaint was available on arbitrariness and hearing grounds, the commercial court judgment could not be directly attacked.