(1) The theme of the patent does not conform to the definition of patent;
(2) The subject matter of the patent violates national laws, social morality or harms the public interest;
(3) The patent subject is not patentable;
(4) The theme of the patent for invention or utility model does not have the above three characteristics, and the theme of the patent for design is the same as or similar to the existing design, or conflicts with the prior rights of others;
(5) Insufficient disclosure of patent specifications for inventions and utility models;
(6) The claim is unclear, not concise or lacks the necessary nuclear technical features;
(7) The claim is not based on the specification;
(eight) the modification is beyond the scope of the original application;
(9) Repeatedly authorize Article 9 of the Patent Law and Paragraph 1 of Article 13 of the Detailed Rules for the Implementation of the Patent Law.
Legal basis: Article 22 of the Patent Law of People's Republic of China (PRC), the invention and utility model for which a patent is applied shall be novel, creative and practical. Novelty means that the invention or utility model does not belong to the prior art; Before the filing date, no unit or individual filed an application for the same invention or utility model with the administrative department for patent in the State Council, and it was recorded in the patent application documents published or announced after the filing date. Creativity means that compared with the prior art, the invention has outstanding substantive features and remarkable progress, and the utility model has substantive features and progress. Practicality means that the invention or utility model can be manufactured or used and can produce positive effects. The existing technology mentioned in this law refers to the technology known to the public at home and abroad before the date of application.