2, the application needs to have novelty, that is to say, it does not belong to the existing technology known to the public in any form before the filing date or the priority date, but within 6 months before the filing date or the priority date, the novelty of the patent application will not be affected because of obvious abuse of the relationship with the applicant or exhibition in a specific international exhibition;
3, the application needs to be creative, that is, it is not obvious to ordinary technicians in related technical fields;
4. The patent application can be industrially produced or used;
5. Full disclosure to enable technicians in related technical fields to implement the invention;
6. A patent application can only design one invention or belong to a group of inventions with a concept of invention, but a patent application can be filed in EPO;
7. Patent applications cannot belong to the objects of patent applications granted in Europe, such as human or animal data or diagnostic methods, new varieties of plants or animals. Animal production refers to biological methods, discoveries, mathematical methods, computer software and commercial methods.
8. The implementation of the invention shall not violate the announcement order or ethics of each EPO State Party, such as cloning human bodies or using human embryos for commercial purposes.