Question juridique clé
Whether the Obergericht violated the right to be heard by refusing to take evidence on several points.
Solution extraite
The complaint on this point was not heard in constitutional proceedings because the alleged violation concerned federal evidentiary law reviewable by appeal.
Motifs extraits
In civil cases the right to adduce evidence derives from Art. 8 ZGB; where an appeal is available, the issue cannot be raised through constitutional complaint.