Questione giuridica chiave
Whether the complaint against the interlocutory decision on expert recusal was admissible under Art. 92 BGG.
Decisione estratta
The appeal against the separately appealable interlocutory decision on recusal was admissible without requiring proof of irreparable harm.
Motivazione estratta
Decisions on recusal under Art. 92 BGG are directly appealable; the irreparable-harm requirement of Art. 93(1)(a) BGG does not apply.