“Any injunction prohibiting a claimant from bringing such an action must be seen as constituting interference with the jurisdiction of the foreign court which, as such, is incompatible with the system of the Convention.”
“31. ...the Convention is to be interpreted as precluding the grant of an injunction whereby a court of a Contracting State prohibits a party to proceedings pending before it from commencing or continuing proceedings before the court of another Contracting State, even where that party is acting in bad faith with a view to frustrating the existing proceedings.”