“… beyond argument what the Defendant can or cannot do: in the words of a Scottish case from 1874 cited by Lord Hope of Craighead in Attorney General v Punch Ltd [2003] 1 AC 1046 “if an injunction is to be granted at all, it must be in terms so plain that he who runs may read”. That cannot, with respect, be said of the injunction grante…”
“…ressed in terms which are clear and certain so as to make plain what is permitted and what is prohibited: see e.g. Attorney General v Punch Ltd [2002] UKHL 50; [2003] 1 AC 1046, para 35. This is just as, if not even more, essential where the injunction is addressed to “persons unknown” rather than named defendants. As Longmore LJ said…”
“… is not allowed to do. The principle has been stated in many cases and nowhere more clearly than by Lord Nicholls of Birkenhead in Attorney General v Punch Ltd [2003] 1 AC 1046, para 35:…”