The difference between transferring the right to use a trademark and selling a patent right.

First of all, trademark right and patent right are different, they are two different intellectual property rights.

Second, both trademark rights and patent rights can be transferred, that is, sold.

Third, the trademark right can be extended indefinitely, so there is no use period; The longest protection period of the patent right is 20 years, after which it will no longer be protected by law.