532 U.S. 23 (2001) Cited 608 times 29 Legal Analyses
Holding that the dual-spring design was not protectable because it had a purpose “beyond serving the purpose of informing consumers that the sign stands are made by” the plaintiff
514 U.S. 159 (1995) Cited 581 times 52 Legal Analyses
Holding companies may not "inhibit[] legitimate competition" by trademarking desirable features to "put competitors at a significant non-reputation-related disadvantage"
Holding that the "overall design" of the product was functional, but proceeding to examine whether the two arguably non-functional features had acquired secondary meaning
15 U.S.C. § 1052 Cited 1,616 times 275 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"