Trademark protection of color: Louboutin's red-soled shoe is a clever logo
Designer Profile: Christian Louboutin – OneOff Vintage
Christian Louboutin's Red Sole – Is it Solely a Shape Mark?
Belgian court declares Louboutin trademark invalid in three European countries — Fashion, Law & Business
Christian Louboutin vs. YSL 'Red Soles' Lawsuit Finally Dismissed
YSL drops 18-month lawsuit against Christian Louboutin as both sides claim they won battle of the red-soled shoes
A Federal Appeals Court Upholds Louboutin's Trademark for Red-Soled Shoes:, Michael C. Dorf, Verdict
Louboutin v Van Haren: Will Van Haren finally see red for allegedly stepping on Louboutin's red-sole shoe trademark?
Christian Louboutin's Red-Sole Shoe Trademark Is Valid, To A Limited Extent: Second Circuit — Los Angeles Intellectual Property Trademark Attorney Blog — September 14, 2012