No, the invention patent is valid for 20 years from the date of application, and the utility model and design are valid for 10 years from the date of application. You need to pay an annual fee to maintain the patent. When it expires, it becomes public technology, and anyone can realize it for free. The term of the invention patent right is 20 years, and the term of the utility model patent right and the design patent right is 10 years, both counting from the date of application.
Legal objectivity:
In Article 42 of the Patent Law of People's Republic of China (PRC), the term of the invention patent right is 20 years, and the term of the utility model patent right and the design patent right is 10 years, all of which are counted from the date of application. Legal basis: Article 42 of the Patent Law has a term of 20 years for invention patents and 10 years for utility model patents and design patents, counting from the date of filing.