However, we believe that this is only possible if the slogan itself can be registered. The trademark authorities will not give extra value to the #. If a slogan cannot be registered as a trademark, simply because it is no more than a mere appraisal, adding a # will not be a solution (a logo would). If the slogan is used in this form (on cans or in order to generate traffic on social media), a #-registration may be a good idea.