Conflict of laws – Jurisdiction. The claimant sought declarations of non-liability in respect of claims which the first defendant, Petromena, had brought against it in Norway. Petromena appealed against an order refusing a declaration that the English court had no jurisdiction over the claim. The Court of Appeal, Civil Division, upheld the order on the ground that the English court had jurisdiction under art 24 of the Lugano Convention, by reason of Petromena's appearance by filing a second acknowledgment of service.