Christian Louboutin faces setback in fight to trademark red sole
Christian Louboutin wins EU legal battle to protect red soles
Why do Louboutin high heels have red bottoms? - Quora
Christian Louboutin's struggle over the Red Sole Trademark
Trademark issue: Red sole(ly) for Louboutin?
Red Soles, High Heels, and a Global Quest for Trademark Rights
MAY BE INFRINGING LOUBOUTIN'S RED-SOLE TRADEMARK - Kluwer
Red Soles, High Heels, and a Global Quest for Trademark Rights
Court: Christian Louboutin Red Soles Trademark Invalid
EP's Louboutin Decision Opens the Door for U.S. Businesses to
Louboutin's red sole - Shape or Colour Trademark? - Inventa