Genzyme Tops Cobrek In Kidney Drug Patent Fight

Law360, Los Angeles (March 22, 2012, 9:08 PM EDT) -- An Illinois federal judge ruled Thursday that a Genzyme Corp. patent covering kidney disease treatment Hectorol is valid and enforceable in the drugmaker's suit against Cobrek Pharmaceuticals Inc. over a generic version of a renal drug that Cobrek had conceded infringing.

U.S. District Judge Robert M. Dow Jr. rejected defense arguments that the claimed invention — use of active ingredient doxercalciferol to treat end stage renal disease — was obvious in 1988, when a related patent was filed.

“As of 1988, no one had treated human...
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