Trademark protection of color: Louboutin's red-soled shoe is a clever logo
Trademark issue: Red sole(ly) for Louboutin? LexDellmeier – Markenanwalt, Designanwalt München - Schutzrechte Marken, Designs, Patente, Gebrauchsmuster, Urheberrechte - Mark
Designer Louboutin wins case on red soled high-heels
Louboutin wins court battle over trademark red soles
Can Christian Louboutin trademark its red soles? Court says no
Louboutin faces setback in EU legal battle over red soles
Christian Louboutin wins one more legal battle over red soles
Louboutin wins fight to trademark red soles
The enduring allure of Louboutin's red soles
Revisiting the Christian Louboutin Red Sole Trade Mark Cases, by Eashan Ghosh
Christian Louboutin wins EU legal battle to protect red soles, The Independent