Frozen 2 versus Christian Louboutin: could Anna's red-soled shoes lead to a trademark dispute? - World Trademark Review
The Worldwide Trademark Battle over the Iconic Red Bottom Shoe - Chicago-Kent
Sole Mate The New Yorker
Red Soles, High Heels, and a Global Quest for Trademark Rights
The Worldwide Trademark Battle over the Iconic Red Bottom Shoe - Chicago-Kent
Trademark protection of color: Louboutin's red-soled shoe is a clever logo
Christian Louboutin: Beyond the famous red soles - Signature Luxury Travel & Style
Christian Louboutin and YSL's Legal Battle Over Red Soles - Fall Fashion 2011 -- New York Magazine - Nymag
The iconic red soles - Christian Louboutin
Opinion Louboutin and the Little Red (Litigious) Shoes - The New York Times
The Worldwide Trademark Battle over the Iconic Red Bottom Shoe - Chicago-Kent
Christian Louboutin's Red Sole Trademark Held Up By Hague Court – WWD