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www.fdanews.com/articles/122300-lupin-files-glumetza-anda-notifies-depomed

Lupin Files Glumetza ANDA, Notifies Depomed

November 18, 2009
Lupin has filed an ANDA for a generic version of Depomed’s Type 2 diabetes medication Glumetza. The company sent Depomed a Paragraph IV certification notice claiming four patents on the drug are invalid and will not be infringed by Lupin’s manufacturing and selling of Glumetza (metformin HCl), Depomed says in a statement last week.
Washington Drug Letter