Australia, June 18 -- qiwen zhang, owns the trademark (2497068) for 'Youlisn' till Nov. 7, 2034.
Status: registered:
Registered/protected
Class: 9 [self-timers for cameras; software for lighting control; selfie lenses; LED strobe emergency lights; optical lamps; batteries for lighting; electric light dimmers; microscope lamps; light-emitting diodes; signals, luminous or mechanical; signal lanterns; optical lanterns; light emitting diode displays; photography darkroom lamps; light-emitting diode screens; luminous or mechanical signals; light-emitting diode display panels; light pens; flashlights [photography]; light switches; light-emitting diode televisions; signalling lights; darkroom lamps; light dimmers; light curtain; light barrier; s...