1. Determine the technical features and realization mode of the invention: Before drafting the patent application claim, we must fully understand and study the technical features and realization mode of the invention. Technical information can be obtained by consulting relevant technical literature, conducting experimental research and communicating with technical experts.
2. Analysis and comparison of related technologies: After determining the technical characteristics and implementation methods of the invention, it is necessary to analyze and compare related technologies. Relevant information can be obtained by consulting relevant patent literature and technical literature.
3. Determine the technical features of the technical scheme: Determine the technical features of the technical scheme according to the technical features and implementation methods of the invention. When writing patent application claims, it is necessary to describe these technical features in detail and compare and distinguish them with the existing technology.
4. Writing the patent claim: according to the previous analysis and comparison, writing the patent application claim. The patent claim shall accurately and specifically define the technical scheme of the invention and describe its technical features, so that others can understand and copy the invented technology.