Christian Louboutin's Zen koan: When is a color a shape?
Christian Louboutin has won legal support for his trademarked red
A shape or colour mark? - HGF
MAY BE INFRINGING LOUBOUTIN'S RED-SOLE TRADEMARK - Kluwer
LOUBOUTIN'S RED SOLE – AN OVERVIEW OF SINGLE-COLOUR TRADEMARKS
Louboutin Red Sole, Can It Be Trade marked? - Sharon Givoni Consulting
Louboutin faces setback in EU legal battle over red soles - BBC News
Red Soles, High Heels, and a Global Quest for Trademark Rights
Christian Louboutin denied attempt to register red sole shoe as a