Court Rules Louboutin Can Enforce a Trademark on Its Red Outsoles - The New York Times
Goss-IPgirl: Louboutin Loses Yet Another Trademark Case Over Red-Soled Shoes
Red Soles, High Heels, and a Global Quest for Trademark Rights
Is it true that Christian Louboutin heels are absurdly painful, even moreso than a regular pair of high heels? - Quora
Trademark issue: Red sole(ly) for Louboutin? LexDellmeier – Markenanwalt, Designanwalt München - Schutzrechte Marken, Designs, Patente, Gebrauchsmuster, Urheberrechte - Mark
The Fight for Red: Fashion Statement or Protected Trademark?
Louboutin could lose red-sole monopoly
Louboutin vs YSL over red soles - The Fashion Nomad
Louboutin Red Sole, Can It Be Trade marked? - Sharon Givoni Consulting
Louboutin wins YSL battle to trademark red soles
YSL Successfully Challenges Louboutin's Trademarked Red Soles
Both Sides Claim Victory In YSL v. Louboutin Shoe Case