On the Anti-dilution System in the US and Europe and the Reference to China AbstractWith the transition of times, trademark infringement has evolved into a complex stage. "Confusion" is no longer the only form of trademark infringement. The dilution of trademark has put forward higher requirements to trademark protection, in particular, to the protection of well-known trademarks. The United States is the country which has the most advanced legal system and anti-dilution trademark protection system. This thesis takes the anti-dilution trademark protection system as an entry point, illustrating the contents, the forms and the cognizance of the States Anti-dilution Act and the Federal Anti-dilution Act respectively, as well as the practice of these acts. And also, it emphasizes on the EU's trademark anti-dilution system and the present status of this system in China, aiming to discuss the reference, to China, of those advanced systems in the worldKey wordsWell-known trademarks, trademark dilution, the Federal Trademark Dilution Act