(By Albert Chen)  Brief of the case:The Louis Vuitton Company (the “LV Company”) holds the rights to the “LV” trademark in Mainland China, and it registered the trademark “LV” as early as January 15, 1986. At present, the term of protection of the mark has been extended to January 14, 2016. The registered classes for the “LV” trademark include toys, Chinese checkers, Backgammon, golf gloves, etc. On November 13, 2003, Guo filed an application for a patented design called “Mahjong (23)”, and the application was approved and published on July 14, 2004. The published patent includes 5 pictures, which contain the front view, left view, back view, top view and three-dimensional views. Among them, the front view contains an image consisting of the letters “L” and “V.”