European office withdraws Nexium patent

The European Patent Office, answering a generic drug maker's challenge, withdrew a patent on Britain-based AstraZeneca PLC's heartburn treatment, Nexium.

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<p><a href="http://www.physorg.com/news85928315.html">European office withdraws Nexium patent</a></p> <p>The European Patent Office, answering a generic drug maker's challenge, withdrew a patent on Britain-based AstraZeneca PLC's heartburn treatment, Nexium. </p>