How Tiffany blue and Louboutin shoes are revealing trademark law's true colours - Legal Cheek
Christian Louboutin denied attempt to register red sole shoe as a trademark in Switzerland. — Fashion, Law & Business
Louboutin Sole Protectors: How To Prevent Red Sole Scuffing? - Evans
The secret behind the red soles of Christian Louboutin - Catawiki
Christian Louboutin: The inspiration behind the red sole - CBS News
Christian Louboutin wins ECJ ruling over red-soled shoes, Luxury goods sector
Red Bottom Heels: The Trademark Dispute – University of Cincinnati Law Review Blog
The secret behind the red soles of Christian Louboutin – Loop Generation
Womens Christian Louboutin Shoes, Red Sole Shoes