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"
Entertaining an opposition on the ground that the subject matter of applicant's registration was functional: "the [Lanham] Act is premised on the idea that only non-functional configurations may be registrable thereunder."