An appeals court says Louboutin can enforce its red-lacquered sole trademark . But the trademark applies only if the sole color contrasts with the color of the rest of the shoe . A federal appeals court has ruled that shoe designer Christian Louboutin can enforce a U.S. trademark of the red-lacquered sole that adorns the designer 's footwear when it contrasts with the color of the rest of the shoe . The trademark does not apply to monochromatic shoes , such as designs by YSL . A lawsuit that Christian Louboutin filed in August of last year took issue with four specific Yves St. Laurent shoes .
An appeals court says Louboutin can enforce its red-lacquered sole trademark . But the trademark applies only if the sole color contrasts with the color of the rest of the shoe . The trademark does not apply to monochromatic shoes , such as designs by YSL . A lawsuit that Christian Louboutin filed in August of last year took issue with four specific Yves St. Laurent shoes .