60In addition, it must be pointed out that the notion of general interest underlying Article 7(1)(b) of Regulation No 40/94 is, manifestly, indissociable from the essential function of a trade mark, which is to guarantee the identity of the origin of the marked product or service to the consumer or end-user by enabling him, without any possibility of confusion, to distinguish the product or service from others which have another origin (see, SAT.1 v OHIM, cited above, paragraphs 23 and 27).
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