Many investors who purchased supposedly “principal protected” structured notes and “return optimization securities” issued by Lehman Brothers have compelling legal claims. While these investors are unsure whether they will recover any of their principal in the Lehman bankruptcy according to Eleanor Laise of the Wall Street Journal in a November 11, 2008 article entitled “Another ‘Safe’ Bet Leaves Many Burned”, many such investors have claims against the brokerage firms that sold these investments.