(1)During the existence of copyright in any design it shall not be lawful for any person—(a)for the purpose of sale to apply or cause to be applied to any article in any class of articles in which the design is registered, the design or any fraudulent or obvious imitation thereof, except with the licence or written consent of the registered proprietor, or to do anything with a view to enable the design to be so applied; or(b)to import for the purposes of sale, without the consent of the registered proprietor, any article belonging to the class in which the design has been registered, and having applied to it the design or any fraudulent or obvious imitation thereof; or(c)knowing that the design or any fraudulent or obvious imitation thereof has been applied to any article in any class of articles in which the design is registered without the consent of the registered proprietor, to publish or expose or cause to be published or exposed for sale that article.