A utility model patent application must submit drawings.
Article 17 of the "Patent Law Implementing Rules" stipulates that the utility model patent application specification shall have drawings showing the shape, structure or combination of the product claimed to be protected.
Utility model refers to a new technical solution proposed for the shape, structure or combination of a product that is suitable for practical use. The drawings are an integral part of the instructions. The function of the accompanying drawings is to use graphics to supplement the description of the text part of the description, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model.