What's the difference between patent transfer and patent licensing?

What's the difference between patent transfer and patent licensing? Patent transfer refers to a contract in which the patentee, as the transferor, transfers the ownership or holding right of his invention-creation patent to the transferee, and the transferee pays the agreed price. So what's the difference between patent transfer and patent licensing? The difference between patent right transfer and patent right transfer license means that the patentee transfers all his patent rights to the assignee. Patent license: Licensor (i.e. patentee) allows licensee to use its patent within a certain time and scope. The transfer and license of patent right must be confirmed in writing. The establishment of a patent transfer contract must be registered and announced by the China National Intellectual Property Administration Patent Office before it can take effect. The transfer of the patent right of a unit owned by the whole people must be approved by the higher authorities. Units and individuals in China who transfer patent rights to foreigners must obtain the approval of the relevant authorities in the State Council. Patent licensing, also known as patent authorization, usually appears in the form of written contracts, which are called patent licensing and patent authorization contracts. It has the following characteristics: under the premise of the effective existence of patent right, the content is the transfer of patent implementation right, which is limited by the duration and geographical scope of patent right in time.