Salix Pharma announced that it has filed a lawsuit in the United States District Court for the District of New Jersey against Novel Lab, for infringement of Norgine's patent US7169381, which covers Moviprep (PEG 3350, sodium sulfate, sodium chloride, potassium chloride, sodium ascorbate and ascorbic acid for oral solution) formulation. Norgine licensed Moviprep to Salix for commercialization in the United States. The lawsuit is in response to ANDA filed by Novel with the USFDA regarding Novel's intent to market a generic version of Mviprep in the United States prior to the expiration of US 7169381 (September 1, 2024).