Japan, Dec. 8 -- 株式会社スパイク・チュンソフト holds the trademark for 'No Sleep For Kaname Date\伊達鍵は眠らない∞From AI:ソムニウムファイル.' Other related details are as follows:

Application Number: Reg.No.6988998

Class: 09,41

Status: LIVE-REGISTRATION-Published for Opposition

Filing Date: March 28

Registration ...