532 U.S. 23 (2001) Cited 602 times 28 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 574 times 51 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 "pink" color of insulation was non-functional because it did not affect the quality of insulation in that the color used had no effect on the product's ability to regulate a building's temperature
Holding color black for outboard motors was functional because, while it had no utilitarian effect on the mechanical working of the engines, it nevertheless provided other identifiable competitive advantages, for example ease of coordination with a variety of boat colors and reduction in the apparent size of the engines
15 U.S.C. § 1052 Cited 1,606 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"