What are the evidences of patent infringement?

Evidence to prove patent infringement mainly includes: 1, and evidence of rights. That is, the proof of basic information such as the name, address and business scope of the infringer; 2. Evidence of infringement. That is, the physical objects, photos, product catalogues, sales invoices, purchase and sale contracts and other evidence of infringing goods; 3. Loss of evidence. That is, the right holder's own proof of loss reporting and other evidence.

legal ground

The evidence in Article 63 of the Civil Procedure Law of People's Republic of China (PRC) includes: (1) the statement of the parties; (2) Documentary evidence; (3) Physical evidence; (4) Audio-visual materials; (5) Electronic data; (6) Testimony of witnesses; (7) Appraisal opinions; (8) Records of the inquest. Evidence must be verified before it can be used as a basis for ascertaining facts. Article 64 The parties have the responsibility to provide evidence of their own claims. The people's court shall investigate and collect evidence that the parties and their agents ad litem cannot collect on their own due to objective reasons, or evidence that the people's court considers necessary for hearing a case. The people's court shall comprehensively and objectively examine and verify the evidence in accordance with legal procedures.