Questione giuridica chiave
Whether the federal complaint was admissible despite an available cantonal nullity appeal to the Zurich Cassation Court.
Decisione estratta
The complaint was inadmissible because the cantonal appellate remedy had not been exhausted.
Motivazione estratta
A civil complaint to the Federal Supreme Court lies only against decisions of the last cantonal instance; since a cantonal nullity appeal remained available, the exhaustion requirement was not met.