Christopher Passavia

Christopher Passavia

Cozen O'Connor

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Halliburton Decided! World Does Not End

Yesterday, the Supreme Court released its highly-anticipated decision in Hallburton Co. v. Erica P. John Fund, Inc. As we (and, to be fair, others) predicted after the oral argument, the Court did not have the appetite to...more

6/24/2014 - Basic v Levinson Class Action Class Certification Corporate Counsel Fraud Fraud-on-the-Market Halliburton Halliburton v Erica P. John Fund Popular Presumption of Reliance SCOTUS Securities Fraud

An Investor Class Scrambles to Save Its Event Study (and its Claims)

At some point in a securities fraud case, the plaintiffs are going to have to prove “loss causation” – proof that the alleged misrepresentation caused the drop in the price of the relevant security. They often do this...more

6/11/2014 - Class Action Class Certification Fraud-on-the-Market Halliburton Halliburton v Erica P. John Fund SCOTUS Securities Litigation

Tech Titans Settle Wage Antitrust Case

As often happens in the vicinity of courthouse steps, the high-profile Silicon Valley hiring antitrust class-action lawsuit has settled, pending court approval. In re: High-Tech Employee Antitrust Litigation originally pitted...more

5/2/2014 - Antitrust Litigation Class Action Silicon Valley Wage and Hour Wages

Back to Basic? Big Changes Could Be Coming to a Securities Class Action Near You

Earlier this month, the Supreme Court heard the highly-anticipated oral argument in Hallburton Co. v. Erica P. John Fund, Inc. Prior to the argument, there was a growing consensus that the Court was likely going to overturn...more

3/31/2014 - Class Action Fraud Fraud-on-the-Market Halliburton Halliburton v Erica P. John Fund SCOTUS Securities Litigation

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