34In that regard, it is important to point out that the determination by the competent authority of the technical functions of the product in question must be based on objective and reliable information. That authority may look for such features, inter alia, in any description of the product submitted at the time of filing of the application for registration of the mark, in data relating to intellectual property rights conferred previously in respect of that product, by looking at surveys or expert opinions on the functions of the product, or in any relevant documentation, such as scientific publications, catalogues and websites, which describes the technical features of the product.
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