Validity period of invention patent

The validity period of the invention patent is: the protection period of the invention patent is 20 years. If the invention patentee fails to pay the annual fee for the invention patent or give up his patent right in writing, the patent right will be terminated before the expiration of the time limit, and the protection period of the design is 15 years, and the protection period of the utility model is 10 years.

What are the application procedures for invention patents?

The application process of invention patent is as follows:

1, apply to the patent office for a patent;

2, submit the application, specification and its abstract and claims and other documents;

3, the patent office to conduct a preliminary examination;

4. issue an announcement;

5. Submit an application for substantive examination to the Patent Office;

6. After passing the examination, the invention patent certificate shall be issued, and shall be registered and announced at the same time.

Legal basis: Article 42 of the Patent Law of People's Republic of China (PRC).

The term of the invention patent right is 20 years, the term of the utility model patent right is 10 years, and the term of the design patent right is 15 years, all of which are calculated from the date of application. If the invention patent right is granted for four years from the date of application for a patent for invention, and for three years from the date of substantive examination request, the patent administration department of the State Council shall compensate the unreasonable delay of the invention patent in the authorization process according to the request of the patentee, but