How to define the scope of patent protection?

The protection scope of patent right refers to the scope of invention and creation involved in the legal effect of patent right. The scope of protection of the patent right for invention or utility model shall be subject to the content of the claim, and the description and drawings may be used to illustrate the claim. The scope of protection of the patent right of design shall be subject to the patented product of design shown in pictures or photographs. The legal documents that determine the scope of patent protection are claims, specifications, photos or pictures of designs. Principle 56 of China's Patent Law stipulates the scope of protection of patents for inventions and utility models: First, the scope of protection shall be subject to the contents of the claims; Second, the specification and drawings can be used to interpret the claims. Article 59 of the Patent Law stipulates that the scope of protection of the patent right for an invention or utility model shall be subject to the contents of its claims. The patent right of design is based on the patented product of design in pictures or photographs. The description and its drawings can be used to interpret the claims. Features that are not recorded in the claims, but recorded in the specification or drawings, cannot be included in the scope of protection.