(1) The subject of the application is not an invention;
(2) The applicant violates national laws, social ethics or damages public interests; The application subject belongs to the technical field that has not been granted patent right;
(3) The theme of the application is not novel, creative and practical;
(4) the subject matter of the application does not conform to the provisions that only one patent can be granted for the same invention-creation;
(5) The applicant is not the first applicant for the invention patent;
(6) The description of the application does not give a clear and complete description of the invention and creation; The patent claim applied for is not based on the specification, indicating the scope of patent protection;
(7) the theme of the application does not meet the requirements of the singularity of the application for a patent for invention;
(8) The modification of the application documents or divisional application is beyond the scope recorded in the original specification or claims.