BEIJING DO GLOBAL TECHNOLOGY CO., LTD.

DU

The mark consists of an incomplete battery design inside an incomplete square design with round angles, and the word du in the bottom right corner of the square design.;Computer application software for mobile phones, portable media players, handheld computers, namely, software for erasing installed caches, junk files and residual files, for managing battery usage, boosting memory, releasing memory space and boosting the performance of the device [ ; Downloadable mobile applications for the management of programs, applications and files and for the backup of files and data; Downloadable software in the nature of a mobile application for network and information technology security; Downloadable cloud computer software for use in database management, use in electronic storage of data; Computer operating programs, recorded; Computers; Portable telephones; Computer game programs; Downloadable computer game programs; Blank USB flash drives ];Color is not claimed as a feature of the mark.;The wording du has no meaning in a foreign language.;