However, executives at clothing manufacturer L.A. Triumph, Inc. claim in a lawsuit that the company has been trading under the Material Girl banner since 1997, and insist Madonna's range causes "deception" in the marketplace, according to papers obtained by TMZ.com.

L.A. Triumph bosses have asked a judge to ban Madonna from any further use of the trademark as well as demanding they receive all profits the line has garnered so far, reports the site.