Toviaz® Patent Claims Found Not Invalid
Last week Judge Gregory Sleet of the District of Delaware rejected the generic defendants obviousness challenge of Pfizer’s molecule patent for Toviaz®. The defendants based their obviousness defense on the selection of 5-HMT, a metabolite of tolterodine, as a “lead compound.” Tolterodine was already approved to treat overactive bladder as of the critical date. The […]