Which signs are considered inadmissible to be registered as trademarks due to intrinsic reasons?
A sign that consists of any of the following, shall not be registered as a trademark: a) The ordinary or common form of the product or packaging to which it is applied, or a necessary form imposed by the nature of the product or corresponding service. b) A form that gives a functional or technical advantage to the product or service to which it is applied. c) Exclusively a sign or indication that, in plain language or common business usage in the country, is a common or usual designation of the product or service in question. d) A sign with an indication which in business may serve to classify or describe any feature of the product or service. e) A simple color, considered separately. f) A letter or digit considered separately, unless it is presented in a special and distinctive form. g) A sign without sufficient distinctive aptitude regarding the product or service to which it is applied. h) A sign that is contrary to morality or public order. i) A sign that includes an element that i
