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Biotech / Medical : Biotech Valuation

CRSP 56.87

-2.3%

Dec 5 9:30 AM EST

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To: Ron who wrote (22232)	12/14/2006 6:17:22 PM
From: DewDiligence_on_SI	of 52153

Anyone know when AZN's Nexium goes off patent? The main Nexium patents expire in April 2007, but there are ancillary “use,” formulation, and process patents in the Orange Book that expire in 2014-2019. If these ancillary patents are insufficient to ensure marketing exclusivity, a generic will presumably be on the market in Oct 2007 following the end of a 6-month pediatric extension relative to the main patents.

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