Christian Louboutin faces setback in fight to trademark red sole, Luxury goods sector
Frozen 2 versus Christian Louboutin: could Anna's red-soled shoes lead to a trademark dispute? - World Trademark Review
Christian Louboutin: Sole Man
Louboutin Red Sole, Can It Be Trade marked? - Sharon Givoni Consulting
Belgian court declares Louboutin trademark invalid in three European countries — Fashion, Law & Business
Look-For Louboutin Kick-in-the-Pants Shoes?
Louboutin Red-Sole & Surrounding Contrast: An Implied Trademark Limitation
Trademark issue: Red sole(ly) for Louboutin? LexDellmeier – Markenanwalt, Designanwalt München - Schutzrechte Marken, Designs, Patente, Gebrauchsmuster, Urheberrechte - Mark
Louboutin Wins Round in Red-Sole Shoe Appeal - WSJ