The request for invalidation of patent right shall not be accepted.

For the invalidation stipulated in the patent law, the applicant shall submit a request, which shall specify the reasons for the invalidation of the patent right and provide corresponding evidence. The request shall explain the reasons for invalidation in combination with the corresponding evidence, and the request for invalidation of the patent right does not meet the requirements. The Patent Reexamination Board refuses to accept the applicant's following request for invalidation: 1. The reasons for patent invalidation listed in the request for invalidation do not conform to the provisions of the Patent Law of People's Republic of China (PRC) and the Detailed Rules for the Implementation of the Patent Law of People's Republic of China (PRC) (see the reasons for the request for patent invalidation); Second, the Patent Application Reexamination Board has accepted the request for invalidation of the patent right, but it does not accept the request for invalidation of the patent right filed by a third person with the same patent application, that is, it does not accept the repeated request; 3. Where a patent right for a design is requested to be declared invalid on the grounds that the patented design conflicts with the legal rights previously obtained by others, an effective judgment or ruling that can prove the conflict of rights shall be provided; If it is not provided, the request for invalidation shall not be accepted; 4. The request for invalidation of the patent right submitted by the claimant does not conform to the prescribed format, and the applicant cannot make corrections within the time limit specified by the Patent Reexamination Board. At the expiration of the time limit, the Patent Reexamination Board may consider that the request for invalidation has not been filed.