All Laws Subjects Laws Patent Design Trademark Treaties Others Apr 14, 2023 IP Statistics April 2023 Aug 26, 2022 IP Statistics August 2022 May 13, 2022 IP Statistics May 2022 Jan 14, 2022 IP Statistics January 2022 Apr 28, 2016 Revisions to the Japan Patent Law as Preparations for the Patent Law Treaty (PLT) - Summary of the 2015 revision (effective from April 1, 2016) -