2. If it has not been published (not obtained by the world public) before the filing date (including the priority date), it is novel;
3. Before the application date (including the priority date), it is not obvious to ordinary technicians in related technical fields, that is, it is creative;
4. It can be produced industrially and can be used or produced in any industry including agriculture;
5, full disclosure, so that ordinary technicians in related technical fields can implement it;
It is legal, that is, it does not violate public order or universally accepted moral principles.