20 19 when is the patent transfer?

20 19 when is the patent transfer? As a kind of property right, patent right is transferable. In the process of patent transfer, what is the time of 20 19 patent transfer? 20 19 what is the time for patent transfer? China's laws have made clear legal provisions on the transfer of patent rights, which have been stipulated in Article 10 of the Patent Law. The fourth paragraph of this article stipulates that if the right to apply for a patent or the patent right is transferred, the parties concerned must conclude a written contract, which will take effect after it is registered and announced by the Patent Office. In other words, to transfer the patent right, both parties must sign a contract and make a registration announcement, and the transfer of the patent right will take effect after the contract takes effect. Therefore, the transfer time of the patent right is after the registration announcement.