What do you mean the patent is invalid?

Patent invalidation refers to any unit or individual who thinks that the invention, utility model and design scope that have been granted patent right, and the application for invention or utility model does not have novelty, creativity and practicability, etc., and applies to the patent issuing department for invalidation appraisal system.

According to Article 2 of the Patent Law of People's Republic of China (PRC), inventions mentioned in this Law refer to inventions, utility models and designs. Invention refers to a new technical scheme proposed for a product, method or its improvement. Utility model refers to a new practical technical scheme for the shape, structure or combination of products. Appearance design refers to a new design that is aesthetically pleasing and suitable for industrial application, which is made on the shape, pattern or their combination of products and all or part of the combination of colors, shapes and patterns. Article 22 An invention or utility model that has been granted a patent right shall be novel, creative and practical. Article 45 From the date when the patent administration department in the State Council announced the grant of the patent right, if any unit or individual thinks that the grant of the patent right is not in conformity with the relevant provisions of this Law, it may request the patent administration department in the State Council to declare the patent right invalid.