Biogen Sues Bayer, Others Over Multiple Sclerosis Drug

Law360, New York (June 2, 2010, 2:16 PM EDT) -- Biogen Idec Inc. has accused pharmaceutical heavyweights Bayer AG, Novartis AG, Pfizer Inc. and Merck KGaA unit EMD Serono Inc. of infringing a patent for multiple sclerosis treatment Avonex, on the heels of a suit brought by a Bayer unit seeking to invalidate the patent.

Biogen filed suit Friday in the U.S. District Court for the District of New Jersey, a day after Bayer's U.S. unit brought its complaint in the same court, promising a major legal fight in the multibillion-dollar market for the companies' various...
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