TRELLEBORG, GERMANY— According to Bloomberg.com, laminate floor maker Pergo, a unit of German wood supplier Pfleiderer AG, has filed suit against Unilin Beheer, a division of Calhoun, GA-based Mohawk Industries Inc., claiming the latter company is violating United States patents for locking joints.
Pergo claims Unilin is infringing 13 Pergo patents covering, among other things, flooring and laminate moulding technology for tight, glueless locking joints. The company also filed suit to challenge Unilin patents for mechanically locking joints.
Additionally, Pergo is attempting to overturn a jury verdict it lost in December 2007 against Armstrong World Industries Inc. That jury found that certain panels sold by Armstrong did not infringe two patents and also invalidated the two patents, which are among the 13 cited in the complaint filed against Unilin.
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