1. Scope of patent right: the design patent document protects the design of the product, that is, the design of the shape, pattern and color of the product. Therefore, the patent scope of the design patent document is more specific, and the protected design content needs to be clearly described.
2. Description requirements: In order to meet the requirements of patent examination, the patent document for design needs to provide clear drawings and descriptions, so that the examiner can accurately understand the protected design content. Drawings shall include representations from multiple angles, and descriptions shall describe the design features shown in the drawings in detail.
3. Concise language: The language of design patent documents should be concise, which is convenient for examiners to quickly understand and evaluate patent applications. When writing design patent documents, we should avoid using too complicated or vague language, but adopt simple and clear language description.
4. Representation based on physical objects: When writing design patent documents, it needs to be expressed based on physical objects. Therefore, before applying for a design patent, it is necessary to make a sample or model of the product for detailed design and description.