Legal analysis: The term of product patent right is: 2 years. According to the relevant laws and regulations, invention refers to a new technical scheme proposed for a product, method or its improvement. And the term of the invention patent right is twenty years, counting from the date of application.
legal basis: article 2 of the patent law of the people's Republic of China. 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 based on the overall or partial shape, pattern or their combination, as well as the combination of color, shape and pattern.