Question juridique clé
Whether Y. could join the provisional-measures request as a co-applicant after the action was pending
Solution extraite
Y. was entitled to join X.'s provisional-measures request as a simple co-plaintiff; the cantonal court wrongly treated the matter as third-party intervention.
Motifs extraits
The issue was joinder of a co-applicant, not intervention under CPC provisions on third-party intervention. The respondent had not timely objected to the joinder and was barred by good faith from raising the point on appeal.