LOS ANGELES--(BUSINESS WIRE)--Goldberg Law PC (www.Goldberglawpc.com) announces that a class action lawsuit has been filed in the United States District Court for the Southern District of New York against Braskem S.A. (“Braskem” or the “Company”) American Depositary Receipts (BAK), for alleged violations of the federal securities laws. Investors who purchased or otherwise acquired shares between June 1, 2010 and March 11, 2015 inclusive (the “Class Period”), have until August 31, 2015 to serve