By Marius Meland

Law360, New York (June 08, 2004, 12:00 AM ET) -- The U.S. Court of Appeals for the Federal Circuit has affirmed a lower court’s decision that Laboratory Corporation of America Holdings willfully contributed to and induced infringement of Competitive Technologies’s patent for a technology used in diagnoses of heart conditions.

In November 2002, Senior Judge Zita L. Weinshienk of the U.S. District Court for the District of Colorado ruled that LabCorp willfully contributed to and induced infringement of CTT's so-called homocysteine assay patent.

CTT, along with Metabolite Laboratories, sued LabCorp in May 1999. The complaint alleged,...