From the date when China National Intellectual Property Administration announced the grant of the patent right, if any unit or individual thinks that the grant of the patent right is not in conformity with the relevant provisions of this Law, it may request the Patent Reexamination Board to declare the patent right invalid.

The claimant shall make corrections within the time limit specified by the Patent Reexamination Board; If no correction is made within the time limit, the request for invalidation shall be deemed to have been withdrawn. The Patent Reexamination Board shall examine the request for invalidation of the patent right, make a decision, and notify the claimant and the patentee. The decision to declare the patent right invalid shall be registered and announced by China National Intellectual Property Administration, China. Anyone who refuses to accept the decision of the Patent Reexamination Board to declare the invention patent invalid or maintain the patent right may bring a lawsuit to the people's court within three months from the date of receiving the notice.

For questions about patents, you can consult Zhonghe Intellectual Property, an institution approved and supervised by China National Intellectual Property Administration with the code of 32266. The supporting patent management software Yunhu Road APP provides intelligent and convenient management tools for enterprise users, industry practitioners and scientific research institutions, and solves common problems such as enterprise intellectual property management, inquiry and transaction. Open the APP or applet, you can easily complete trademark inquiry, patent application, patent annual fee payment, and even realize multi-dimensional intelligent monitoring.

For more questions, please contact Zhonghe Intellectual Property Customer Service!