January 16, 2018
Tweaks to a generic opioid's labeling did not warrant OxyContin maker Purdue Pharma LP to file a separate lawsuit repeating extant patent infringement claims, a federal judge decided in a Boston court hearing Tuesday.
December 13, 2017
Purdue Pharma LP lost an attempt on Wednesday to squeeze several oxycodone-related patent lawsuits into one trial in Massachusetts federal court, a minor setback in the manufacturer's claims seeking to guard the legal underpinnings of painkiller OxyContin.
October 06, 2017
Collegium Pharmaceutical Inc. is infringing two of Purdue Pharma LP's patents tied to the opioid painkiller OxyContin when making and selling its painkiller Xtampza ER, Purdue alleged on Friday in Massachusetts federal court, as part of a long line of similar suits.