The JPO has published a leaflet on the "fast track examination" of trademarks in response to the fact that the first results of examination for trademarks filed after February 1, 2020 will be notified about six months after filing the application.

If you are subject to the review, the time frame for receipt of the initial review results will
The period is shortened by about six months.
In order to qualify for this type of fast track examination, it is necessary to designate only the goods or services listed in the "Standards for Examination of Similar Goods and Services".

Japan Patent Office
https://www.jpo.go.jp/system/trademark/shinsa/fast/document/shohyo_fast/fast_pamphlet.pdf