What are the behaviors that are not regarded as patent infringement?

According to the Patent Law of People's Republic of China (PRC), acts that are not regarded as patent infringement include: 1, exhaustion of patent right. 2. The use of the first user. 3. Temporary transit. 4. Related patents used exclusively for scientific research and experiments. Article 63 of the Patent Law: In addition to bearing civil liability according to law, the administrative department for patent affairs shall order it to make corrections and make a public announcement, confiscate its illegal income, and may impose a fine of less than four times its illegal income. If there is no illegal income, a fine of less than 200,000 yuan may be imposed; If a crime is constituted, criminal responsibility shall be investigated according to law.