Legal analysis: It generally takes 2-6 months to obtain the Notice of Patent Transfer Qualification for invention patent transfer. The first step in the process of patent transfer: find the way of patent transfer. Step 2: The patent assignor and the patent assignee sign a patent assignment contract. Step 3: Both parties should prepare the relevant documents required for patent transfer, and these documents should be filled out in strict accordance with the prescribed forms, so as to shorten the time for China National Intellectual Property Administration to review documents and speed up the review. Step 4: Entrust a patent agency to submit relevant documents to the Patent Office. Step 5: Wait for the result of patent transfer. The patent office will inform the examination result when it examines it. If approved, the patent office will generally issue a notice of patent transfer within 2 to 6 months. Relevant change results can be found in China National Intellectual Property Administration Patent Library.
Legal basis: Article 10 of the Patent Law of People's Republic of China (PRC) assigns the right to apply for a patent or the patent right, and the parties concerned must conclude a written contract, which will take effect after it is registered and announced by the Patent Office.