Green Party TD Patrick Costello loses case against Ceta

Mr Costello is concerned investor court measures in the deal for protecting Canadian investors in EU member states may impact on Ireland’s ability to introduce environmental regulation

In a judgment issued this morning, High Court Justice Mr Paul Butler said that Patrick Costello (pictured left) had "not established that ratification of CETA in the manner proposed would be clearly unconstitutional". File photo: Gareth Chaney/Collins

A Green Party TD has lost his case at the High Court against the constitutionality of the Comprehensive Economic and Trade Agreement (Ceta).

Dublin South Central TD Patrick Costello had challenged the contentious treaty between the EU and Canada.