Which right is invalid patent right?

Legal analysis: The Patent Reexamination Board is the organ that declares the patent invalid. The Patent Reexamination Board shall promptly examine the request for invalidation of the patent right and make a decision, and notify the claimant and the patentee. The decision to declare the patent right invalid shall be registered and announced by the patent administration department of the State Council.

Legal basis: Article 45 of the Patent Law of People's Republic of China (PRC) stipulates that any unit or individual may request the Patent Reexamination Board to declare the patent right invalid if it thinks that the grant of the patent right is not in conformity with the relevant provisions of this Law from the date when the patent administration department of the State Council announces the grant of the patent right.