Swiss Civil Procedure Code
(Civil Procedure Code, CPC)

Any per­son who with­draws an ac­tion be­fore the com­pet­ent court may not bring pro­ceed­ings again against the same party on the same sub­ject mat­ter if the court has already served the state­ment of claim on the de­fend­ant and the de­fend­ant does not con­sent to its with­draw­al.