Case: Patents/Claim Construction (N.D. Ill.)

A federal district court in Illinois construed disputed claim terms in Pharma Mar SA’s action against EVER Valinject GmbH, Nexus Pharmaceuticals LLC, Shanghai Haoyuan Chemexpress Co. Ltd., and Ruyuan HEC Pharm Co. Ltd. for infringement of a patent that covers compositions comprising ET-743 and a disaccharide to reduce the impurities formed during storage, as well as methods to prepare such compositions. The court construed “wherein the disaccharide is present in a sufficient amount to inhibit conversion of the ET-743 into ET-701" as having its plain and ordinary meaning, “reducing the formation of ET-701" as needing no construction, and “a single active anti-tumor ...