You can report it if you find a competitor posting someone else’s brand. According to the query of relevant information, it can be seen that disputes caused by infringement of the exclusive rights of registered trademarks shall be resolved by negotiation between the parties. If they are unwilling to negotiate or cannot reach an agreement, the trademark registrant or interested party may file a lawsuit in the People's Court or request the industrial and commercial administration department to handle the matter. 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.