YSL Successfully Challenges Louboutin's Trademarked Red Soles

Trademark protection of color: Louboutin's red-soled shoe is a clever logo

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

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

YSL Wins Over Louboutin in Battle of Red Soles

Christian Louboutin's Red Sole – Is it Solely a Shape Mark?

Designer Louboutin hits back in red sole lawsuit

Frozen 2 versus Christian Louboutin: could Anna's red-soled shoes lead to a trademark dispute? - World Trademark Review

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

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

Belgian court declares Louboutin trademark invalid in three European countries — Fashion, Law & Business

A Federal Appeals Court Upholds Louboutin's Trademark for Red-Soled Shoes:, Michael C. Dorf, Verdict

Louboutin defends red-sole trademark

Christian Louboutin sues Yves Saint Laurent over red soles on heels - The Washington Post