YSL Successfully Challenges Louboutin's Trademarked Red Soles

The Fight for Red: Fashion Statement or Protected Trademark?

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

The Worldwide Trademark Battle over the Iconic Red Bottom Shoe - Chicago-Kent

The Red-Soled Shoe Case - WSJ

Trademark issue: Red sole(ly) for Louboutin? LexDellmeier – Markenanwalt, Designanwalt München - Schutzrechte Marken, Designs, Patente, Gebrauchsmuster, Urheberrechte - Mark

Louboutin's Lawsuit Over Their Famous Red Soles - Vincent LoTempio

You didn't invent red soles': Yves Saint Laurent kicks back at Christian Louboutin

Can You Trademark a Color? - Freakonomics

Fashion; red in tooth and claw?

The Worldwide Trademark Battle over the Iconic Red Bottom Shoe - Chicago-Kent

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

Louboutin Red-Sole & Surrounding Contrast: An Implied Trademark Limitation

2nd Circuit OKs Trademark Protection for French Designer Christian Louboutin's Red-Soled Shoes

Louboutin v Van Haren: Will Van Haren finally see red for allegedly stepping on Louboutin's red-sole shoe trademark?

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