Japan Patent Office updated “The JPO Key Features”, showing the speed and quality of examinations on fiscal year 2023 as follows:
The above information is quoted from “The JPO Key Features”.
https://www.jpo.go.jp/e/news/keyfeatures/index.html
JPO conducts accelerated examinations for patent, design and trademark applications that meet certain requirements. As for patent applications, super accelerated examination is also available. More detailed information is shown on the following sites:
Accelerated Examination and Accelerated Appeal Examination for Patent
https://www.jpo.go.jp/e/system/patent/shinsa/jp-soki
Outline of Super Accelerated Examination
https://www.jpo.go.jp/e/system/patent/shinsa/jp-super_soki
Accelerated Examination / Accelerated Appeal Examination System for Design Applications
https://www.jpo.go.jp/e/system/design/shinsa/soki-isyou_soukisinri.html
Accelerated Examinations and Accelerated Appeal Examinations for Trademarks
https://www.jpo.go.jp/e/system/trademark/shinsa/outline_accelerated_trademark.html