Determining that "[g]rowth in sales" did not prove acquired distinctiveness where it "may indicate the popularity of the product itself rather than recognition of the mark"
15 U.S.C. § 1052 Cited 1,600 times 274 Legal Analyses
Granting authority to refuse registration to a trademark that so resembles a registered mark "as to be likely, when used on or in connection with the goods of the applicant, to cause confusion, or to cause mistake, or to deceive"