Law360, New York ( April 4, 2012, 1:39 PM EDT) -- On March 7, 2012, four health benefit plans — the New England Carpenters Health and Welfare Fund, the Plumbers and Pipefitters Local 572 Health and Welfare Fund, the Sergeants Benevolent Association, and the AFSCME District Council 37 Health and Security Plan Trust — filed six class actions against eight pharmaceutical manufacturers — Abbott Laboratories, Amgen Inc., AstraZeneca PLC, Bristol-Myers Squibb Co., GlaxoSmithKline PLC, Merck & Co. Inc. Novartis Pharmaceutical Corp. and Pfizer Inc. — in four different federal courts — the Eastern District of Pennsylvania, the District of New Jersey, the Northern District of Illinois and the Eastern District of New York....