Finding similarity between "VEUVE ROYALE" and "VEUVE CLICQUOT" because "VEUVE ... remains a ‘prominent feature’ as the first word in the mark and the first word to appear on the label"
Holding that registration per 15 U.S.C. § 1057(b) creates a rebuttable presumption of validity, rebuttal of which requires a preponderance of the evidence showing
Stating that the mere existence of modern supermarket containing wide variety or products should not foreclose further inquiry into the likelihood of confusion arising from the use of similar marks on any goods so displayed
Providing that in inter partes proceeding, "[t]he allegation in an application for registration, or in a registration, of a date of use is not evidence on behalf of the applicant or registrant" but, rather, "a date of use of a mark must be established by competent evidence"