Question juridique clé
Whether the appeal against the City of Lucerne was admissible although the cantonal judgment concerned only Biberist.
Solution extraite
The challenge directed at the City of Lucerne was inadmissible because the cantonal court had ruled only on claims against the municipality of Biberist.
Motifs extraits
The cantonal court was competent only for the claim against the Solothurn municipality; its judgment did not cover any claim against Lucerne.