Genzyme Sues Allergan Over Juvederm Gel IP

Law360, New York (May 16, 2011, 9:11 PM EDT) -- Genzyme Corp. sued Allergan Inc. in Massachusetts on Monday for allegedly violating a patent covering a soft-tissue augmentation method with its line of Juvederm wrinkle-smoothing injectable gels.

Genzyme, a global biotech giant based in Cambridge, Mass., is seeking to block Allergan from manufacturing and selling its Juvederm products, after the Irvine, Calif., company rejected a licensing agreement to use the patent.

The patent-in-suit — U.S. Patent Number 5,399,351, issued in 1995 and titled “Biocompatible viscoelastic gel slurries, their preparation and use” — covers soft-tissue augmentation and...
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