District Court, E.D. Virginia February 20, 2001, Civil Action 00-803-A (Knorr-Bremse Systeme Fuer Nutzfahrzeuge GmbH v. Dana Corp.)

MEMORANDUM OPINION

ELLIS, District Judge.

In this patent infringement suit, plaintiff, a German brake manufacturer, sues three competitors in the field of air disk brakes for willful infringement of U.S. Patent No. 5,927,445 (the ’445 patent). The suit initially targeted only one allegedly infringing product manufactured, sold or imported by defendants, namely the Mark II air disk brake.