Christian Louboutin Sues Another Brand Over Red-Soled Shoes

by Julia Rubin | 12:32 pm, April 12th, 2011

Not only are red soles Christian Louboutin‘s signature — they’re also its trademark in the legal sense. Three years ago, the brand registered a trademark for its red soles with the U.S. Patent and Trademark Office. Last week Louboutin sued Yves Saint Laurent over its red-soled footwear, and it looks like the company is taking action against Brazilian shoemaker Carmen Steffens, too.