YSL drops 18-month lawsuit against Christian Louboutin as both sides claim they won battle of the red-soled shoes
Louboutin v. YSL Red Sole Shoe Trademark Infringement
The Fight for Red: Fashion Statement or Protected Trademark?
How Louboutin fought tooth and nail for his special red
The enduring allure of Louboutin's red soles
Frozen 2 versus Christian Louboutin: could Anna's red-soled shoes lead to a trademark dispute? - World Trademark Review
Louboutin defends red-sole trademark
Color Trademarks and Fashion: Branding That “Pops
Christian Louboutin's struggle over the Red Sole Trademark – Mayrose By Nivea