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6 March 2002
ASTRAZENECA TO SEEK LEAVE TO APPEAL OMEPRAZOLE PATENT DECISION IN UK COURT

AstraZeneca today announced that it will seek leave to appeal against a decision by the Patents Court of the High Court of Justice’s Chancery Division in London that two of its formulation patents for omeprazole, the active ingredient in Losec, are invalid following legal challenges by two UK-based generic pharmaceutical companies.

The Court handed down its written judgment in the cases concerning patents (EP 247 983 and EP 496 437) brought by Cairnstores Limited and Generics (UK) Limited. The cases, which involved each generic company challenging both patents, were not consolidated and were heard at the same time before the same judge during mid-February.

Losec is a treatment for stomach acid disorders. Sales in the UK account for 4 per cent of AstraZeneca’s worldwide sales of the product.

Dr. Martin Nicklasson, Executive Vice-President, GI Franchise of AstraZeneca, said: “We are disappointed by this judgment and remain confident that the decision can be overturned in our favour on appeal”

Further enquires to:

Media Relations

Emily Denney
+44 (0)20 7304 5034

Steve Brown
+44 (0)20 7304 5033


Investor Relations

Mina Blair-Robinson
+44 (0)20 7304 5084

Jorgen Winroth
+1 609 986 4148


Losec is a trademark, property of the AstraZeneca group of companies.

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