Patent evaluation judgment method, patent evaluation judgment device, and patent evaluation judgment program

摘要

The patent evaluation judgment method comprises: an invention input step of receiving an input of an invention sentence relating to the invention, and a keyword extraction for extracting an arbitrary search keyword in the invention sentence after performing syntactic analysis in word units of the input invention sentence. Extracting the patent sentence group including the search keyword from the database using the step and the extracted search keyword, comparing the invention sentence and the sentence included in the patent sentence group with the patent sentence group extraction step; Determining the patentability of the invention statement.