The collection of evidence in patent infringement cases is: collecting evidence by oneself and entrusting lawyers to investigate and collect evidence. The parties have the responsibility to provide evidence for their claims. Evidence that the parties and their agents ad litem cannot collect by themselves due to objective reasons; Or evidence that the people's court considers necessary for hearing a case, the people's court shall investigate and collect. The people's court shall comprehensively and objectively examine and verify the evidence in accordance with legal procedures.
Legal objectivity:
According to Article 64 of the Civil Procedure Law of People's Republic of China (PRC), the parties have the responsibility to provide evidence for their claims. Evidence that the parties and their agents ad litem cannot collect by themselves due to objective reasons; Or evidence that the people's court considers necessary for hearing a case, the people's court shall investigate and collect. The people's court shall comprehensively and objectively examine and verify the evidence in accordance with legal procedures.