2. Specific methods You can find the patent you need through announcements on the website of the Intellectual Property Office, patent transfer network and other news.
3. If you are knowledgeable or the partner is knowledgeable, you can communicate and coordinate through the Patent Office or the patent owner. After confirmation, you can go directly to China National Intellectual Property Administration for transfer procedures.
4. Self-communication needs to pay attention to determining the expiration of patent authorization, technical points and development prospects. Before buying a patent, make a detailed investigation of the patent status to ensure your own interests.
Pay attention to each other's qualifications when signing the contract. You must look at the original to prove the legitimacy of the other party. After the transaction is successful, you should also pay attention to whether it is a company account or a legal person account.
6. If you really don't know much about this, you can find some professional institutions to assist in matters related to patent purchase.