CallTalk Corporation, a phone-time seller, uses its mark "calltalk" as its domain name. Later, Converse Inc. uses the domain name "callltalk" (a deliberate misspelling of "calltalk")without CallTalk's authorization, to sell sexually explicit phone conversations. This is

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Trademark dilution occurs when a mark similar to a famous or distinctive trademark is used without authorization, in a way that diminishes the mark's uniqueness, reputation, or value, even without causing confusion or competition. In this case, Converse Inc.'s use of "callltalk" dilutes the distinctiveness of CallTalk Corporation's "calltalk" mark.

CallTalk Corporation, a Phone-Time Seller, Uses Its Mark "Calltalk" as Its