The Court of Appeals for the Second Circuit recently ruled in Christian Louboutin S.A. v. Yves Saint Laurent Am. Holdings, Inc. that there exists no per se rule preventing a single color from serving as a trademark in the fashion industry. Rather, like in other industries, consistent use of a color by a fashion designer may result in a trademark. And such a trademark may be successfully enforced if, among other things, enforcement does not run afoul of the so-called aesthetic