With a patent certificate, it proves that the patent belongs to you. If others want to use it, they must get your permission and pay you a fee. Otherwise, it is patent infringement, and the infringer can be prosecuted. Without the permission of the patentee, no one may manufacture, use, sell, promise to sell or import the patented product or produce the product according to its patented method for the purpose of production and operation; It should be noted that the invention results are only protected by law within the patent protection period, and invalid patents include expired patents or abandoned patents. If they are lost in the middle, no annual fee is required, and anyone can use them for free. When an invention is patented in that country, it is protected by the laws of that country. Foreign patents are not protected in China, and China patents are not protected in foreign countries.
legal ground
Article 60 of the Patent Law of People's Republic of China (PRC), if a patent is exploited without the permission of the patentee, that is, the patent right is infringed. In case of any dispute, the parties concerned shall settle it through consultation; Unwilling to negotiate or failing to do so, the patentee or interested party may bring a suit in a people's court or request the administrative department for patent affairs to handle it. When the administrative department for patent affairs finds that the infringement is established, it may order the infringer to stop the infringement immediately. If a party refuses to accept the decision, he may bring a lawsuit to the people's court in accordance with the Administrative Procedure Law of the People's Republic of China within 15 days from the date of receiving the notice of handling. If the infringer fails to prosecute and stop the infringement upon expiration of the time limit, the administrative department for patent affairs may apply to the people's court for compulsory execution. At the request of the parties concerned, the administrative department for patent affairs may mediate the amount of compensation for patent infringement; If mediation fails, the parties may bring a lawsuit to the people's court in accordance with the Civil Procedure Law of People's Republic of China (PRC).