Trademark protection of color: Louboutin's red-soled shoe is a clever logo
Louboutin trips up in red sole trademark battle
Louboutin wins lawsuit over red sole trademark in China
Louboutin wins EU court battle to trademark red soles
Shoemaker Christian Louboutin Wins EU Court Battle Over Red Soles
Christian Louboutin's Red Sole Trademark Held Up by Hague Court – Rvce News
Christian Louboutin Scores a Win in the Battle Over Its Red Sole Design in China
Louboutin takes trademark action in court over red-soled shoes
Louboutin & the Law: Switzerland Turns Down Red Sole Trademark Request – WWD