Japan, Sept. 14 -- 株式会社 学研ホールディングス holds the trademark for 'あそぶんだ研究所.' Other related details are as follows:
Application Number: Reg.No.7080581
Class: 09,28,42
Status: LIVE-REGISTRATION-Published for Opposition
Filing Date: May 29
Registration Date: Sept. 3
The original document can be viewed at: https://www.j-platpat.inpit.go.jp/c1801/TR/JP-2026-061186/40/en
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