An exclusive jurisdiction clause is a provision in a contract that designates a specific court or forum to have sole and exclusive authority to resolve any disputes arising from the agreement. Full definition
Since none of the parties was domiciled in England, UBS relied on the English exclusive jurisdiction clause in the Dealer's Confirmation so as to establish the English court's jurisdiction. (newlawjournal.co.uk)
In a scenario which played itself out in various European capitals the measures imposed by the Icelandic government in order to prop up its banking system potentially undermined the agreement's exclusive jurisdiction clause in favour of the English High Court as well as its governing English law provision. (newlawjournal.co.uk)
A different route would be for the UK to ratify the 2005 Hague Convention on Choice of Law Agreements (which applies to all EU Member States except Denmark), but this Convention only requires recognition of exclusive jurisdiction clauses. (lawyer-monthly.com)