The owner’s investment unit belongs to the purchasing user. It purchases equipment for use at a certain equal price. The unit that purchases the production equipment purchased by the user is the producer. In principle, both the producer and the user belong to Defendant of infringement;
However, the biggest prerequisite is to prove that the technical features of the construction unit’s equipment you saw do fall within the protection scope of your patent, confirm the infringement, and then you can go to court Other organizations apply for evidence preservation to collect evidence, thereby causing the manufacturer and the user to go to court together. However, due to the principle of exhaustion of rights, the user will not be liable for compensation.