Japan, Dec. 8 -- 株式会社コーセー holds the trademark for 'Ｎｏｔ Ｓｏ Ｓｅｒｉｏｕｓ.' Other related details are as follows:
Application Number: Reg.No.6990681
Class: 03
Status: LIVE-REGISTRATION-Published for Opposition
Filing Date: March 3
Registration Date: Nov. 27
The original document can be viewed at: https://www.j-platpat.inpit.go.jp/c1801/TR/JP-2025-022024/40/en
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