Case Study: Erica P. John Fund V. Halliburton

Law360, New York (June 7, 2011, 2:13 PM EDT) -- A unanimous U.S. Supreme Court in in Erica P. John Fund Inc. v. Halliburton Co., No. 09-1403 (U.S. June 6, 2011), has held that proof of loss causation is not required in order to obtain class certification in a securities fraud action.

In an opinion authored by Chief Justice John G. Roberts Jr., the court vacated the U.S. Court of Appeals for the Fifth Circuit’s decision that, in claims asserting violations of Section 10(b) of the Securities Exchange Act, plaintiffs must establish loss causation before they...
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