Judge Finds Novo's Prandin Patent Invalid

Law360, New York (January 19, 2011, 3:36 PM EST) -- A federal judge Wednesday found the patent for Novo Nordisk A/S diabetes drug Prandin invalid because of obviousness and unenforceable due to inequitable conduct, paving the way for Caraco Pharmaceutical Laboratories Ltd. to market a generic version.

The decision by Judge Avern Cohn of the U.S. District Court for the Eastern District of Michigan comes after a six-year legal battle over whether the patent could be sustained.

The judge ruled that the idea covered by the patent to combine repaglinide with metformin as a combination therapy...
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