What is the information value of patent documents?

Patent documents contain information about law, technology, economy and industry. Legal information refers to the legal status of the patent, that is, whether the patent right is obtained, the scope of rights, the regional effect, the time effect and the name and address of the obligee. What information and technical information are included in patent documents, so as to obtain the latest inventions and creations in a certain technical field in time, understand the development history and predict the development trend. Economic intelligence, also known as business intelligence, can judge the technical level and economic value of a patent, just like the number of patents obtained by a technology in other countries, reflecting the potential technology market and economic sphere of influence. Industrial intelligence is to master the quantity and content of patented technology of an industrial enterprise (such as competitors) and judge its technical strength and development trend.