How long is the prosecution period for intellectual property infringement?

Legal analysis: the limitation of action for infringement of intellectual property rights is 3 years, counting from the date when the obligee knows or should know. The people's court shall order the defendant to stop the infringement if the right holder of the patent right, trademark right or copyright has sued for more than 2 years and the intellectual property right is still within the protection period; The amount of compensation for infringement damages shall be calculated for three years from the date when the obligee brings a lawsuit to the people's court.

Legal basis: Article 188 of the Civil Law of People's Republic of China (PRC) requests the people's court to protect civil rights, and the limitation of action is three years. Where there are other provisions in the law, those provisions shall prevail. The limitation period of action shall be counted from the date when the creditor knows or should know that the right is damaged and the debtor knows it. Where there are other provisions in the law, those provisions shall prevail. However, the people's court shall not protect the rights that have been damaged for more than 20 years. Under special circumstances, the people's court may decide to extend the time according to the application of the obligee.