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In a blow for biotechnology company, Biogen, a US federal judge has ruled that its lone surviving patent on multiple-sclerosis drug Tecfidera (dimethyl fumarate) should remain invalid because the matter had already been resolved by another court.
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Biogen, biotechnology, multiple-sclerosis, patent, US federal judge, generics, Mylan, DMF, Tecfidera, US District Court for the District of Delaware
