First of all: Determine based on the actual losses suffered by the patentee due to infringement. The actual losses suffered by the patentee are calculated based on the total reduction in sales of the patented products due to infringement multiplied by the reasonable profit of each patented product. Secondly: If the actual loss is difficult to determine, it can be determined based on the benefits gained by the infringer due to the infringement. Thirdly: If it is difficult to determine the loss of the right holder or the benefit obtained by the infringer, it shall be reasonably determined by referring to a multiple of the patent license fee. The amount of compensation should also include the reasonable expenses paid by the right owner to stop the infringement. Finally: If it is difficult to determine the loss of the right holder, the benefits obtained by the infringer and the patent license fee, the people's court may determine to award a grant of more than 10,000 yuan to 1 million yuan based on factors such as the type of patent right, the nature and circumstances of the infringement, etc. the following compensation. "Several Provisions on the Applicable Legal Issues in the Trial of Patent Dispute Cases" Article 20 "Several Provisions on the Applicable Legal Issues in the Trial of Patent Dispute Cases" Article 21 "Patent Law of the People's Republic of China" Article 65 Article