Mediaset wants to merge its Italian and Spanish businesses into a Dutch unit, dubbed MediaforEurope (MFE).
Vivendi, which owns 29% stake in the media group controlled by the family of former Prime Minister Silvio Berlusconi, is challenging the plan in courts across Europe, saying the new governance set-up would harm minority shareholder interests.
A Milan judge on Feb.3 rejected Vivendi's request to block the Mediaset plan.
A court hearing on Vivendi's appeal has been scheduled in Milan for March 12, Mediaset said in statement.
(Reporting by Elvira Pollina; editing by Valentina Za)