Merck Unit Sues TriGen Over Folic Acid Patents

By Leigh Kamping-Carder (November 19, 2010, 4:18 PM EST) -- A Swiss affiliate of Merck KgaA and Pamlab LLC have accused TriGen Laboratories Inc. of falsely marketing two of its dietary supplement product lines as generic equivalents and infringing six patents covering a form of folic acid.

Pamlab and Merck & Cie filed a complaint Thursday in the U.S. District Court for the Eastern District of Louisiana, claiming that TriGen is selling knockoff dietary supplements that will confuse consumers.

Based in Covington, La., Pamlab specializes in prescription medical foods, including dietary products Neevo and Cerefolin, for individuals with problem pregnancies and early memory loss, respectively. Pamlab's products contain L-methylfolate, a special...

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