Is there a patent fee for hybrid rice in Yuan Longping, Hunan? Is it free all over the country and all over the world?

Hybrid rice is a key project invested and approved by the state, and key research is organized by the state. Yuan Longping, one of the staff, took the national salary; So the results are national, not someone's. If patents are mentioned, they should be owned by the state.

For example, if your family builds a house and pays someone else to build it, no matter who builds it, the house belongs to your family, not the builder. This is a fact.