Recently, Valve Software, the trademark owner of Defense of the Ancients 2 (hereinafter as DOTA2), filed a lawsuit against Beijing Zhongqing Longtu Network co., LTD. (hereinafter as Longtu Game) and Lilith Tech (Shanghai) co., LTD. for copyright infringement, trademark infringement and unfair competition to Beijing Haidian People's Court and asked for 31 million Yuan compensation.
 

According to the indictment, Valve is a famous game developer and seller, and has obtained copyright of the game DOTA2 characters images and related trademarks such like "刀塔" "DOTA" "DOTA2" and so on. DOTA2 started into operation in mainland China in October 2012. In early 2014, Longtu Game and Lilith using DOTA2' s name, trademarks, character images without authorization in their own game DOTA Chuanqi. Valve claimed that, the actions Longtu Game and Lilith did made people erroneously identified DOTA Chuanqi as Valve's authorised edition, and had negative effects to DOTA2's market in mainland China.
 

Valve claimed that, Longtu Game and Lilith infringed its copyright, trademarks and constituted unfair competition, made huge damage to Valve's legal rights. Valve then filed the lawsuit above.
 

At press time, the case is hearing. CIP News will continue to follow up.