In a December 2014 decision of a district court action against Hospira, Inc. (“Hospira”), the June 2016 patent was found to be valid and infringed. Later patents for Cubicin, expiring in September 2019 and November 2020, were found to be invalid. Hospira has appealed the lack of invalidity of the June 2016 patent and the Company has cross-appealed on the invalidity of the later patents.