How many years is the protection period of the invention patent?

Legal analysis: the term of patent protection refers to the term of patent protection after a patent is granted. The term of the invention patent right is 20 years, counting from the date of application.

Legal basis: Article 42 of the Patent Law.

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.