For example, if you plan to produce a product, you don't know whether what you do will infringe others' patents. You need to search the relevant patent literature about your product.
Secondly, patent literature retrieval is an important part of patent invalidation and patent feasibility study.
For example, if you want to invalidate a patent (such as the other party suing you for infringement), you can search the patent literature and non-patent literature of the other party's patent to determine whether the other party's patent is novel and creative. (If the other party's patent can be invalidated, naturally the other party can't continue the infringement lawsuit against you. )
For example, if you plan to apply for a patent, you can search the patent literature and non-patent literature before applying to determine whether your patent is novel and creative.
Finally, patent literature retrieval is a common research method in business analysis. Because the quantity and quality of patents can roughly represent a company's technical strength and R&D investment.
As a patent consultant, I know so much. Welcome to add.