UroGen Pharma Ltd. (NASDAQ:URGN), a biotech company dedicated to developing and commercializing novel solutions that treat urothelial and specialty cancers, today announced that it has filed a lawsuit in the U.S. District Court for the District of Delaware against Teva Pharmaceuticals, Inc., Teva Pharmaceuticals USA, Inc., and Teva Pharmaceutical Industries, Ltd., alleging infringement of U.S. Patent Numbers 9,040,074 ("the '074 patent") and 9,950,069 ("the '069 patent"). Both patents are listed in the U.S. Food and Drug Administration's ("FDA") Approved Drug Products with Therapeutic Equivalence Evaluations (commonly known as the Orange Book) for JELMYTO®(mitomycin) for pyelocalyceal solution. JELMYTO® is indicated for the treatment of adults with low-grade, upper tract urothelial cancer ("LG-UTUC") and utilizes UroGen's RTGel® reverse-thermal hydrogel, a proprietary sustained-release, hydrogel-based platform technology.