Practice – Service out of jurisdiction. The claimant and defendants had entered into a collaboration agreement. The claimant was dissatisfied with another company that they were in a joint venture with and terminated the collaboration agreement. He issued a quantum meruit restitutionary claim against the defendants and was granted permission to serve out of the jurisdiction. The defendants successfully applied to have that order set aside. The Court of Appeal, Civil Division, held that the claimant did not have a realistic prospect of success and dismissed his appeal.