Eisai Sues Teva Over ANDA For Alzheimer’s Drug

Law360, New York (December 8, 2005, 12:00 AM EST) -- Japanese drug maker Eisai has filed a suit against generics maker Teva Pharmaceuticals in an effort to protect the patents for its billion-dollar Alzheimer’s drug Aricept.

The suit was filed in response to Teva’s filing of an Abbreviated New Drug Application with the U.S. Food and Drug Administration.

Teva filed the ANDA in October, sending Eisai a letter on October 24 notifying the Japanese company of its intent to produce a generic version of the drug.

After an ANDA is filed, the patent holder has 45...
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