Questione giuridica chiave
Whether the appeal could challenge the Handelsgericht's findings of fact and claim arbitrary application of law
Decisione estratta
The Federal Supreme Court would not revisit the cantonal factual findings; complaints against them were inadmissible, and arbitrary-application arguments merged into the ordinary federal-law review.
Motivazione estratta
Under the BGG, the established facts bound the court, while federal law could be reviewed freely.