The Court of Justice has underlined the importance of goods and services for which the protection of trademarks is sought to be sufficiently clear and precise, in order to enable the competent authorities and economic operators to determine the extent of protection conferred by a trademark. It is now fundamental for the applicant of a national trademark who uses the general class heading to specify that the application for registration is intended to cover all the goods and services included in the alphabetical list of the class or, viceversa, only some goods or services In the last case, the applicant is required to specify which goods or services are intended to be covered.