Legal analysis: The differences between patent law enforcement departments and patent management departments are as follows: 1, with different responsibilities. The patent administration department is responsible for handling patent infringement disputes; Investigate and deal with acts of counterfeiting other people's patents and impersonating patents; Mediation of patent disputes; The patent law enforcement department is responsible for studying the law enforcement functions of the relevant patent administrative organs, supervising the implementation of various patent laws and regulations, and punishing illegal and infringing acts; 2. Handling cases is different. The patent infringement disputes and counterfeit patent cases that have a significant impact shall be handled and investigated by the patent administration department in China National Intellectual Property Administration when necessary; 3. Patent law enforcement departments must hold administrative law enforcement certificates issued by China National Intellectual Property Administration or the people's governments of provinces, autonomous regions and municipalities directly under the Central Government.
Legal basis: Article 7 of the Measures for Administrative Enforcement of Patents. If a law enforcement officer appointed by the administrative department for patent affairs has a direct interest with the party concerned, he shall withdraw, and the party concerned has the right to apply for his withdrawal. If a party applies for withdrawal, it shall explain the reasons. The withdrawal of law enforcement personnel shall be decided by the person in charge of the patent administration department. Before the decision on whether to withdraw is made, the applicant for withdrawal shall suspend his participation in the case.