Literature includes many kinds, such as papers, periodicals, conference documents, etc. , a kind of material evidence, is generally used in intellectual property disputes. Documentary evidence is direct evidence and can be directly accepted by the court.

Direct evidence:

According to the relationship between civil litigation evidence and the object of proof, it can be divided into direct evidence and indirect evidence. Direct evidence is the evidence that can directly prove the object of proof. Such as marriage certificate, real estate license. Generally speaking, direct evidence is reliable and has strong probative effect.

It is based on the probative relationship between the evidence and the main facts of the case. The relationship of proof mentioned here refers to whether the evidence directly or indirectly proves the main facts of the case. Any evidence that can directly prove the main facts of a case alone is direct evidence; Indirect evidence refers to evidence that cannot be directly proved alone, but needs to be combined with other evidence to prove the main facts of the case.