Can I use it after the termination of the patent right?

It can be used when the patent right is terminated. According to the relevant laws and regulations, after 20 years from the date of filing, after/0/0 years from the date of filing, and after/0/5 years from the date of filing, the design patent will automatically terminate and cannot be renewed. Anyone can use the contents of the patent by himself.

legal ground

In Article 42 of the Patent Law of People's Republic of China (PRC), the patent right for invention is 20 years, the patent right for utility model is 10 year, and the patent right for design is 15 year, all of which are counted from the date of application. Article 43 The patentee shall pay the annual fee from the year when the patent right is granted. Article 44 In any of the following circumstances, the patent right shall be terminated before the expiration of the time limit: (1) Failing to pay the annual fee as required; (2) The patentee waives his patent right in writing. Where the patent right is terminated before the expiration of the time limit, it shall be registered and announced by the patent administration department of the State Council.