Pfizer Sues To Block Generic Lipitor

Law360, New York (August 17, 2011, 1:35 PM EDT) -- Pfizer Inc. on Monday filed a patent infringement suit against Macleods Pharmaceuticals Ltd. in New York in an effort to keep the Indian drug company from developing its own version of blockbuster cholesterol-lowering medication Lipitor.

The pharmaceutical company lodged its suit in response to Macleods filing an abbreviated new drug application seeking permission from the U.S. Food and Drug Administration to sell a generic atorvastatin calcium product before Pfizer's patent for the drug expires.

Pfizer claims that Macleods' ANDA infringes U.S. Patent Number 5,969,156, which covers...
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