YSL Successfully Challenges Louboutin's Trademarked Red Soles

Look-For Louboutin Kick-in-the-Pants Shoes?

Christian Louboutin vs. YSL 'Red Soles' Lawsuit Finally Dismissed

The Fight for Red: Fashion Statement or Protected Trademark?

Christian Louboutin and YSL's Legal Battle Over Red Soles - Fall Fashion 2011 -- New York Magazine - Nymag

Trademarking A Color In The World Of Fashion Is Easier Said Than Done - Above the Law

Article Asia IP - Intellectual Property News and Analysis

UPDATED: Christian Louboutin Wins Red Sole Trademark Battle Over YSL Sort Of - Fashionista

Second Circuit Digs Its Heels Into Louboutin Dispute; Finds Red Sole Trademark Protectable, But Limited in Scope

Designer Louboutin hits back in red sole lawsuit

EP's Louboutin Decision Opens the Door for U.S. Businesses to Protect Their Color/Shape Brands in Europe

Louboutin could lose red-sole monopoly

How does Louboutin figure it has a trademark on a red sole (versus Yves Saint Laurent making a red-soled shoe)? - Quora

The Red-Soled Shoe Case - WSJ

Louboutin Red Sole, Can It Be Trade marked? - Sharon Givoni Consulting