1, the patent can be transferred according to law, but the effectiveness of the transfer contract between the two parties does not necessarily mean that the patent transfer is successful.
2. Paragraph 4 of Article 10 of China's Patent Law clearly 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 being registered and announced by the Patent Office. "Therefore, the patent right must have exclusive effect after the transfer contract takes effect and after the patent office applies for registration announcement. The contract still needs to be confirmed by the administrative organ, and the change of patent registration, registration and announcement is one of the necessary conditions for patent transfer.