Question juridique clé
Whether the public law appeal against the joinder order was admissible despite its incidental nature.
Solution extraite
The appeal was inadmissible because the joinder order was an incidental decision that did not cause irreparable legal harm within the meaning of Art. 87 OG.
Motifs extraits
The alleged disadvantages were merely factual, such as longer proceedings, higher costs, and the publicity of a single trial. Such effects do not amount to irreparable legal prejudice, and the complaint about the parties' access to information in a public hearing was insufficient.