Japan, June 25 -- 山口 公子,山口 裕子 holds the trademark for 'おんたき茶屋.' Other related details are as follows:
Application Number: Reg.No.7055095
Class: 43
Status: LIVE-REGISTRATION-Published for Opposition
Filing Date: Oct. 7, 2025
Registration Date: June 15
The original document can be viewed at: https://www.j-platpat.inpit.go.jp/c1801/TR/JP-2025-115380/40/en
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