A trade mark serves two ends: on the one hand it ensures the holder of the trade mark the goodwill associated with the marked product; on the other hand it informs the consumer that the product is of specific kind as opposed to a copy, 'enabling the consumer who acquired them to repeat the experience, if it proves to be positive, or to avoid it, if it proves to be negative, on the occasion of a subsequent purchase. Case T-79/00 Rewe-Zentral v OHIM (LITE [2002] ECR II-705' (Bainbridge 2005 [online]).
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