Brazil – Christian Louboutin victory protects red sole as “unregistered” design IP
Louboutin could lose red-sole monopoly
Christian Louboutin denied attempt to register red sole shoe as a trademark in Switzerland. — Fashion, Law & Business
YSL Successfully Challenges Louboutin's Trademarked Red Soles
Position trademark and shape trademark: the Louboutin case - Canella Camaiora
EP's Louboutin Decision Opens the Door for U.S. Businesses to Protect Their Color/Shape Brands in Europe
Red Bottom Heels: The Trademark Dispute – University of Cincinnati Law Review Blog
Christian Louboutin Successfully Defends Red Sole IP In Beijing Case
MAY BE INFRINGING LOUBOUTIN'S RED-SOLE TRADEMARK - Kluwer Trademark Blog
Louboutin Unsuccessful in Litigation over Red Soles – MARKS IP LAW FIRM
Louboutin Unsuccessful in Litigation over Red Soles – MARKS IP LAW FIRM
Christian Louboutin scrambles to trademark his red-soled shoes
Trademark issue: Red sole(ly) for Louboutin? LexDellmeier – Markenanwalt, Designanwalt München - Schutzrechte Marken, Designs, Patente, Gebrauchsmuster, Urheberrechte - Mark