China National Intellectual Property Administration Patent Office will reject an application for a patent for invention in any of the following circumstances:
1. The subject matter of this application is not an invention.
2. The applicant violates national laws, social ethics or damages public interests.
3. The subject matter of this application belongs to the technical field without patent right.
4. 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.