On October 11, 2022, the Intellectual Property High Court will move from the Joint Court Building in Kasumigaseki, Chiyoda-ku, Tokyo to a new building, The Business Court, in Nakameguro, Meguro-ku, Tokyo.
In addition to the Intellectual Property High Court, three divisions of the Tokyo District Court; Commercial Division, Intellectual Property Division, and Insolvency Division, will move to the Business Court.
Intellectual Property High Court:.
https://www.ip.courts.go.jp/index.html
List of new phone numbers after relocation
https://www.ip.courts.go.jp/vc-files/ip/2022/denwa_10_11.pdf
Business Court relocation information:.
https://www.ip.courts.go.jp/vc-files/ip/2022/202207annaitirasi.pdf