Tuesday, November 23, 2004

Ranbaxy challenges Pfizer's Lipitor in D. Del.

Ranbaxy Laboratories Ltd. has filed an ANDA concerning two patents that Pfizer says protect Lipitor through 2009 and 2011. Trial will begin November 30, 2004 in D. Delaware.


Pfizer spokesman Paul Fitzhenry said Pfizer believes that Ranbaxy is infringing on two patents, which will expire in 2009 and 2011, respectively. “Ranbaxy is seeking to sell a generic form of Lipitor and it claims its products will not infringe on our basic patent and that the other patent is invalid,” he said.


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