Allergan Sues Sandoz Over Lumigan Patents

Law360, New York (August 29, 2011, 1:57 PM EDT) -- Drug giant Allergen Inc. sued a subsidiary of Swiss pharmaceutical company Novartis International AG on Friday in Texas federal court, alleging infringement of two patents for Lumigan, a topical medication used to treat glaucoma.

Allergen accused Sandoz Inc. of infringing U.S. Patent Numbers 7,851,504, titled “Enhanced bimatoprost ophthalmic solution,” and 5,688,819, titled “Cyclopentane heptanoic acid, 2-cycloalkyl or arylalkyl derivatives as therapeutic agents.”

The action came after Sandoz filed an abbreviated new drug application with the FDA, seeking approval to make and sell a 0.01 percent bimatoprost...
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