A landowner can apply for a protestor injunction in a range of situations including where protestors have committed acts of trespass, have caused a nuisance or carried out acts of harassment, or other breaches of criminal law. The Court can grant an injunction whenever it appears to be just and convenient to do so. If a landowner obtains an injunction, this will hopefully deter repeat protest actions. If not, enforcement of any breaches of the injunction involves bringing committal proceedings for contempt of court, when the landowner will have to prove at a hearing that a breach of the injunction has taken place. Such proceedings can be costly and difficult to prove. It is also possible to claim damages if the landowner can prove that the protestors have caused them to suffer loss, although this can be hard to evidence and depending on the circumstances the protesters might not have the means to pay them. This claim might prove unattractive from an optical perspective as well.
The well-known case governing claims for injunctions against un-named protestors (‘persons unknown’) is Canada Goose UK Retail Ltd v Person Unknown [2020] EWCA Civ 303. The case concerned animal rights protests at the claimant’s Regent Street shop against the brand’s use of animal fur and down, which were generally small and peaceful events, though there was some vandalism of the store front. The proceedings were brought against "Persons unknown who are protesters against the manufacture and sale of clothing made of or containing animal products and against the sale of such clothing at [the store]". An injunction was claimed under the common law torts of trespass, watching and besetting, public and private nuisance and conspiracy to injure by unlawful means.
The Court of Appeal gave wide and authoritative guidance which is still regularly followed. This clarifies various aspects of the law and procedure around applying for interim injunctions against 'newcomers', meaning "people who will or are highly likely in the future to commit an unlawful civil wrong". The key principle to emerge from the case is that final injunctive relief cannot be granted against newcomers who have not by that time committed the prohibited act. Canada Goose wanted to use the injunction as a means of preventing ongoing public demonstrations, but this could not work where the protests were carried out by a continually fluctuating body of protesters.
However, in the later case of Wolverhampton City Council and others v London Gypsies and Travellers and others [2023] UKSC 47, which involved travellers instead of protestors but addressed similar issues relating to unauthorised encampments, the Supreme Court held that final injunctions could be granted to prevent persons who are unknown and unidentified at the date of the order from occupying and trespassing on land.
As a result of these and other recent cases, newcomer injunctions have become established as a new type of injunction and an alternative means of protecting land from occupation by protestors. Their key features include the fact that they are made against people who are unknowable at the time of the grant, rather than identifiable persons whose names are unknown. As a result, applications for such injunctions are always made without prior notice. The injunctions operate contra mundum – against the world. These injunctions will not be appropriate in every case, and the court must review these on a case-by-case basis. Injunctions remain a discretionary remedy. If a landowner wishes to obtain such an injunction, they will need to evidence that: other remedies (including damages) are inadequate; they are responding to a "compelling need" to protect civil rights and public law; and that appropriate procedural safeguards have been put in place to enable the protesters to take part in the legal proceedings or challenge any injunction granted, including ensuring that the application for the injunction is advertised widely, any injunction granted is limited in duration and geographical scope, and the landowner makes the court aware of the likely grounds of opposition by targeted newcomers against injunctive relief.