Pfizer Withheld Crucial Data In Lipitor Patent Filing, Ranbaxy Claims

By Marius Meland ( November 23, 2004, 12:00 AM EST) -- Pfizer Inc. withheld crucial scientific data that might have influenced the patent review board's decision to grant the drug maker a second patent for Lipitor, attorneys for Indian generics maker Ranbaxy Laboratories Ltd. argued at the opening of the closely watched trial over patent rights to the blockbuster anti-cholesterol drug. . . .

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