Federal Circuit Rules For Pfizer In Teva's Challenge To Zoloft Patent

Law360, New York (January 23, 2005, 12:00 AM EST) -- In a closely watched test of key provisions of the Hatch-Waxman Act, the U.S. Court of Appeals for the Federal Circuit has ruled for Pfizer in a lawsuit brought by Israeli generic manufacturer Teva Pharmaceuticals that challenged the patent for the antidepressant Zoloft.

Teva Pharmaceutical Industries Ltd. sought to challenge Pfizer's patent on a method of making Zoloft so that the company could begin selling a generic version when the patent protecting the chemical composition of the drug expired in 2006.

The U.S. Court of Appeals...
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