Technical information collection refers to the retrieval of patent documents from the perspective of technical theme, i.e. retrieve all the documents related to a technical theme. The relevant documents can be used for background technology research in scientific research projects, key/core technology analysis in technology introduction, technology development trend analysis in technology innovation and competitor identification, etc. It specifically includes:

(1)  Collecting and indexing technical data

(2) Trend analysis, including general trend analysis of patent applications, analysis of major applicants, technical context combing, key/core patent analysis, etc.