Frozen 2 versus Christian Louboutin: could Anna's red-soled shoes lead to a trademark dispute? - World Trademark Review
Christian Louboutin v Van Haren Schoenen BV: CJEU finds red sole mark not invalid under shape exclusion
Court Rules Louboutin's Red Soles are Fashion, not a Trademark
Fancy Feet
Christian Louboutin scrambles to trademark his red-soled shoes
Trademark issue: Red sole(ly) for Louboutin? LexDellmeier – Markenanwalt, Designanwalt München - Schutzrechte Marken, Designs, Patente, Gebrauchsmuster, Urheberrechte - Mark
Louboutin wins YSL battle to trademark red soles
Louboutin Red-Sole & Surrounding Contrast: An Implied Trademark Limitation
Louboutin Unsuccessful in Litigation over Red Soles – MARKS IP LAW FIRM
The Fight for Red: Fashion Statement or Protected Trademark?
The Worldwide Trademark Battle over the Iconic Red Bottom Shoe - Chicago-Kent
The Worldwide Trademark Battle over the Iconic Red Bottom Shoe - Chicago-Kent
Rest Assured, Louboutin Will Be The Only One Selling You Overpriced Red Sole Shoes - Gothamist
Why footwear has far more to do with identity and expression than mere function
Christian Louboutin – MARKS IP LAW FIRM