1 Calculation based on the infringer’s profit: The infringer’s benefits from infringement can be calculated based on the product of the total number of infringing products sold on the market multiplied by the reasonable profit of each infringing product. The benefits obtained by the infringer due to infringement are generally calculated based on the infringer's business profits. For infringers who are solely engaged in infringement, they can be calculated based on sales profits. It should be noted here that if the infringer is engaged in infringement, they will be calculated based on sales profits. Profit calculation. Sales profits are greater than operating profits, and this provision provides calculation convenience to the infringed party. 2. By calculating the losses suffered by the infringed party, the losses suffered by the right holder due to the infringement can be calculated based on the total reduction in sales of the patentee's patented products due to infringement multiplied by the reasonable profit of each patented product. If it is difficult to determine the total reduction in sales volume of the right holder, the product of the total number of infringing products sold on the market multiplied by the reasonable profit of each patented product can be regarded as the loss suffered by the right holder due to the infringement. 3. It is difficult to determine the losses of the infringer or the benefits obtained by the infringer based on the calculation of multiples of the patent license fee. If there is a patent license fee that can be used as a reference, the People's Court may decide based on the type of patent right, the nature and circumstances of the infringement, and the circumstances of the infringement. The amount of compensation shall be reasonably determined with reference to 1 to 3 times of the patent license fee based on factors such as the amount of the patent license fee, the nature, scope, and time of the patent license. Legal basis: Article 20 of the "Several Provisions of the Supreme People's Court on Applicable Legal Issues in the Trial of Patent Dispute Cases" Calculate the product of profit. The benefits obtained by an infringer due to infringement are generally calculated based on the infringer's business profits. For infringers who are solely engaged in infringement, they can be calculated based on sales profits. The loss suffered by the patentee due to infringement can be calculated based on the total reduction in sales of the patentee's patented products due to infringement multiplied by the reasonable profit of each patented product. If it is difficult to determine the total reduction in sales volume of the right holder, the product of the total number of infringing products sold on the market multiplied by the reasonable profit of each patented product can be regarded as the loss suffered by the right holder due to the infringement.