Outline of Technology Examined in Examination Departments

The correspondence table between the technical divisions and the technical fields(*) is revised. It is the one as of 1 April 2025

(*) The technical fields are shown with the International Patent Classification (partly with the File Index). Please refer to this page for the File Index.( External link )

[Last updated 17 April 2025]

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Address:3-4-3 Kasumigaseki, Chiyoda-ku Tokyo 100-8915, Japan