“… it is plain that [AHA’s] Petition in the Southern District Court of New York is a naked attempt to deprive this Court of the ability to determine issues which are naturally and properly within the province of this Court to determine, and which, at least in part, the parties have hitherto contemplated would be determined in this Court.”
“I therefore conclude that the law is that I should grant the injunction if I am satisfied that in the interests of doing justice between the parties it should be granted in all the circumstances. What is the relevant natural forum is a factor to be taken into account as are the elements of vexation and oppression that are or may be involved. The discretion has to be exercised having regard to the principles of comity. It has to be exercised with caution and, as has been pointed out by Parker LJ in M&R v ACLI [1984] 1 Lloyd’s Law Reports at page 613, may call for a higher standard of proof than in the case of an application for a stay. I do not consider myself … obliged to disregard what Lord Brandon said in Abdin v Daver at page 423: Lord Diplock said in the same case (at page 412) “comity demands that such a situation should not be permitted to occur as between courts of two civilised and friendly states”; it would be, he said, “a recipe for confusion and injustice”