There are several types of patent infringement.

Legal analysis: 1. The act of manufacturing patented products; 2. Intentionally using an invention or utility patented product; 3. Promise to sell or sell patented products; 4. The use of patented methods and the use, promise and sale of products directly obtained according to patented methods; 5. The act of importing patented products or products directly obtained by patented methods; 6. The act of counterfeiting other people's patents.

Legal basis: People's Republic of China (PRC) Patent Law.

Article 60 The patent administration department in the State Council shall promptly notify the patentee of the decision to grant a compulsory license for exploitation, and register and announce it.

The decision to grant compulsory license shall stipulate the scope and time of implementation according to the reasons for compulsory license. When the reasons for compulsory license are eliminated and no longer exist, the administrative department for patent in the State Council shall, at the request of the patentee, make a decision to terminate the compulsory license after examination.

Article 63 If the patentee refuses to accept the decision of the patent administrative department of the State Council on compulsory license, and if the patentee and the unit or individual that obtained the compulsory license refuse to accept the decision of the patent administrative department of the State Council on compulsory license fee, they may bring a lawsuit to the people's court within three months from the date of receiving the notice.