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9 November 2005
AstraZeneca Commences Patent Infringement Litigation Against Teva

AstraZeneca announced today that it has filed a lawsuit in the United States District Court for the District of New Jersey against Teva Pharmaceuticals USA, Inc. and Teva Pharmaceuticals Industries, Ltd. for willful infringement of AstraZeneca’s substance patent protecting Seroquel.
The lawsuit is in response to an Abbreviated New Drug Application filed by Teva with the US Food and Drug Administration regarding Teva’s intent to market a generic version of AstraZeneca’s Seroquel (quetiapine fumarate) in the US prior to the expiration of AstraZeneca’s Patent No. 4,879,288, which is listed in the FDA’s Orange Book and which expires in 2011, subject to any extension.

AstraZeneca has full confidence in and will continue vigorously to defend and enforce its intellectual property rights protecting Seroquel.



Further enquiries to:

Media Enquiries:
Edel McCaffrey, Tel: +44 (0) 207 304 5034
Steve Brown, Tel: +44 (0) 207 304 5033

Investor Enquiries:
Mina Blair, Tel: +44 (0) 207 304 5084
Jonathan Hunt, Tel: +44 (0) 207 304 5087
Ed Seage, Tel: +1 302 886 4065
Jorgen Winroth, Tel + 1 212 579 0506


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