Legal analysis: For an invention patent, there should be no illustrations in the text of the instruction. Generally, photographs shall not be used as attached drawings.
legal basis: article 59 of the patent law of the people's Republic of China, 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 can be used to explain the content of the claim. The protection scope of the patent right for design shall be subject to the design of the product shown in the picture or photograph, and the brief description can be used to explain the design of the product shown in the picture or photograph.