1, the patent object does not belong to the scope of invention, utility model and design;
2. The patent object is not novel, creative and practical;
3. The patent applicant does not have the capacity or right to apply for a patent.
The legal basis is Article 45 of the Patent Law of People's Republic of China (PRC), which came into effect on June 1 20265438. Any unit or individual may request the patent administrative department of the State Council to declare the patent right invalid as of the date when the patent administrative department of the State Council announced the grant of the patent right. Article 46 The patent administration department in the State Council 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. Anyone who refuses to accept the decision of the State Council Patent Administration Department to declare the patent right 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. The people's court shall notify the other party to the procedure for requesting invalidation to participate in the proceedings as a third party.