Can You Trademark a Color?
The Worldwide Trademark Battle over the Iconic Red Bottom Shoe - Chicago-Kent
The Red-Soled Shoe Case - WSJ
Christian Louboutin Launches Photo-Filter App “Louboutinize” – Footwear News
Christian Louboutin Continues to Fight for His Red Soled High Heels Trademark (Poll) – The Hollywood Reporter
Christian Louboutin Heads Back to Court Over Red Sole Trademark
Christian Louboutin: heeling power
Christian Louboutin Walk a Mile in My Shoes Season II Collection
A Brand Is Using Louboutin's Drawing to Try to Trademark Green Soles – Footwear News
Michael Atkins - Seattle Trademark Lawyer - Shoe Spat Sparks Discussion About Color Trademarks
Laura Winston Published in New York Law Journal on Color Trademark Protection and Issues
the importance of colour in branding - why louboutin is seeing red
Should Colour be Registrable as a Trademark in Kenya? - Centre for Intellectual Property and Information Technology law
Louboutin Red-Sole & Surrounding Contrast: An Implied Trademark Limitation