Friday, September 29th, 2017 — Washington state on Thursday sued OxyContin maker Purdue Pharma LP, becoming the latest state or local government to file a lawsuit seeking to hold pharmaceutical companies accountable for a national opioid addiction epidemic. The city of Seattle also filed a separate lawsuit against Purdue as well as units of Teva Pharmaceutical Industries Ltd, Johnson & Johnson, Endo International Plc and Allergan plc.