Abstract: Accurate measurement of technological innovation is of great value for China to achieve sci-tech self-reliance and self-strengthening at higher levels. Characteristics of “prominent substantive features” and “obvious progress” of the inventiveness of the technical solution limited by patent claims reflect the inherent connection between “patents” and “technological innovation”. Using the inventiveness of the technical solution limited by patent claims as the theoretical basis for measuring technological innovation, core indicators such as the number and the length of claims, as well as the “characterizing portion” of independent claims and dependent claims, as well as reference indicators such as citation index, family number, maintenance time, transfers number, licenses number, invalidation number, infringements number, applicant type and nationality of patent, are used to construct measurement methods of technological innovation that meet different needs, which to varying degrees improves the accuracy of measuring technological innovation methods based on patent indicators.