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What aspects of evidence are needed for trademark infringement litigation?

When conducting a trademark infringement lawsuit, the evidence that the plaintiff needs to provide includes: 1. Proof of ownership of a registered trademark, that is, evidence of rights, including a trademark certificate or payment voucher to prove that the trademark is legal and valid; 2. The trademark right has been infringed. Proof of infringement, that is, evidence of infringement and facts, such as trademarks on goods sold or services provided or trademarks on advertising signs, etc., and notarization and fixation of these evidences; 3. Proof of losses caused by infringement of trademark rights, that is, facts of compensation for losses Evidence, etc., such as evidence of reduction in market share, evidence of the other party’s sales volume, evidence of product cost and profit, license fees for the use of trademarks, etc. can all be used as evidence of compensation for losses.

Legal basis:

Article 60 of the Trademark Law of the People's Republic of China includes one of the acts of infringement of the exclusive right to use a registered trademark listed in Article 57 of this Law , if a dispute arises, it shall be resolved by the parties through negotiation; if the parties are unwilling to negotiate or the negotiation fails, the trademark registrant or interested party may file a lawsuit in the People's Court or request the industrial and commercial administrative department to handle it. When handling the case, if the industrial and commercial administrative department determines that the infringement is established, it shall order it to immediately stop the infringement, confiscate and destroy the infringing goods and tools mainly used to manufacture infringing goods and counterfeit registered trademarks. If the illegal business turnover exceeds 50,000 yuan, it may be punished. A fine of not more than five times the illegal business volume may be imposed. If there is no illegal business volume or the illegal business volume is less than 50,000 yuan, a fine of not more than 250,000 yuan may be imposed. Those who commit more than two trademark infringements within five years or have other serious circumstances shall be severely punished. If you sell goods that are not known to infringe the exclusive rights of a registered trademark, and you can prove that you legally obtained the goods and explain the supplier, the industrial and commercial administration department will order you to stop selling them.