524. Anti-suit injunctions.

An English court has jurisdiction, which is to be exercised with great caution, to grant an anti-suit injunction restraining a person over whom it has jurisdiction from continuing with or commencing proceedings in a foreign court if it is inequitable for such person so to act1. The injunction is directed to the respondent and not to the judge in the foreign court2. The broad principle underlying the jurisdiction to grant an anti-suit injunction is that it is to be exercised when the ends of justice require it. This may occur when the foreign proceedings are vexatious or oppressive; or