As a sponsor, why can't an enterprise as a legal person use patents as capital contribution when subscribing for shares? Because there is such a provision in the company law that you can use non-patented technology.
Patented technology is a technology protected by law, and everyone who uses it (except the owner) needs to pay the patent fee. Every time the company uses it, it needs to pay the patent right to the patentee. If the patented technology is used as capital contribution, on the one hand, the patented technology becomes capital contribution, on the other hand, the company can be charged royalties, which is contradictory.
In order to avoid this contradiction, only after the expiration, the patented technology becomes non-patented technology, and then this technology can be used for free ~