47Furthermore, the legislature has laid down with particular strictness that shapes necessary to obtain a technical result are unsuitable for registration as trade marks, since it has excluded the grounds for refusal listed in Article 7(1)(e) of Regulation No 40/94 from the scope of the exception under Article 7(3). If follows, therefore, from Article 7(3) of the regulation that, even if a shape of goods which is necessary to obtain a technical result has become distinctive in consequence of the use which has been made of it, it is prohibited from being registered as a trade mark (see by analogy, in relation to Article 3(3) of Directive 89/104, which is essentially identical to Article 7(3) of Regulation No 40/94, Philips, paragraph 57, and Case C-371/06 Benetton Group [2007] ECR I-7709, paragraphs 25 to 27).
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