Can Christian Louboutin Trademark Red Soles? An E.U. Court Says No - The New York Times
Louboutin wins EU trademark dispute over red soles
Louboutin Lands Win in Chinese Case Over Red Sole Trademark
Christian Louboutin's Red-Sole Shoe Trademark Is Valid, To A Limited Extent: Second Circuit — Los Angeles Intellectual Property Trademark Attorney Blog — September 14, 2012
Courts Reject Louboutin's Latest Plea to Register Red Sole As A Trademark in Switzerland — Fashion, Law & Business
Don't Step on Louboutin's Red-Soled Shoes, EU Court Says - Bloomberg
Louboutin Lands Win in Chinese Case Over Red Sole Trademark
Louboutin & the Law: Switzerland Turns Down Red Sole Trademark Request – WWD
Louboutin Handed a Loss in Red Sole Trademark Lawsuit in Japan
The Fashion Law / Appeals Board Rejects Christian Louboutin Red Sole Trademark in Japan - マークス国際弁理士法人