Warth v. Seldin
In Warth v. Seldin, 422 U.S. 490, 499 (1975), the U.S. Supreme Court held that "[t]he plaintiff generally must assert his own legal rights and interests, and cannot rest his claim to relief on the legal rights or interests of third parties."
The Court also held that standing "in no way depends on the merits of the plaintiff's contention that particular conduct is illegal." Id. at 500.