Handa's Generic Dexilant Infringes Takeda IP, Judge Hears

Law360, San Francisco (June 5, 2013, 4:29 PM EDT) -- Handa Pharmaceuticals should be blocked from making a generic version of the acid-reflux drug Dexilant because the drug cannot be produced without infringing Takeda Pharmaceutical Co.'s patented manufacturing process, Takeda argued Wednesday at the opening of a bench trial on Takeda's patent claims.

Takeda's scientists developed a unique way of producing the crystalline version of dexlansoprazole used in its delayed-release Dexilant capsules, and refractogram images of Handa's generic version show similar crystal structures that could only be produced by copying Takeda's patented methods, Jeffrey Weinberger with Munger...
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