Abstract: 【Purpose/significance】The identification and cultivation of high-value patents is an important link in the construction of
my country's intellectual property power.This article comprehensively interprets the research status and progress in the field can pro-
vide references for scientific researchers and practitioners【. Method/process】Comprehensive use of grounded theory and NVivo analy-sis tools,through the procedural coding of field topics,identify important themes of high-value patent evaluation and identification re-search,and analyze and summarize them from the time dimension【. Result/conclusion】Patent quality and patent value are a pair of con-cepts that blend with each other.High-value patents can be measured from the dimensions of economic value,market value,strategic value,and legal value; the evaluation data of high-value patent mainly comes from patent cases,patent databases; the studies on evalua-tion and identification of patent value mainly cover four major themes:market evaluation analysis of patent value,influencing factors of patent value and mechanism of action,evaluation index and model of patent value【. Innovation/limitation】Grounded theory can system-atically sort out important research topics and progress in the field.In the future,scientific knowledge maps can dynamically display the field of scientific research cooperation status,research hotspots and frontiers,and analyze typical cases of evaluation and identification of high-value patent from a practical perspective.