Law360, New York (August 09, 2012, 1:12 PM ET) -- Defense groups in antitrust cartel litigation often jointly hire experts to testify about issues common across defendants. The retention of joint experts makes much sense from a cost and trial management perspective. As to the former, sharing the substantial expense of experts among multiple defendants, as opposed to each defendant paying for its own expert, can save clients thousands (and in some cases, millions) of dollars. As to the latter, having each defendant offer cumulative expert testimony at trial often is impermissible, and in any event...