The Economist on “Why American firms cannot do deals without being sued”:
In 2005, 39% of M&A deals were challenged by lawsuits, one study found. By 2011 a hefty 96% of acquisitions worth more than $500m were attracting suits…
J. Travis Laster of Delaware’s Chancery Court [has] become an outspoken public critic of “worthless”, “sue-on-every-deal” lawsuits. In March he told one group of plaintiffs’ lawyers: “I don’t think for a moment that 90%—or based on recent numbers, 95%—of deals are the result of a breach of fiduciary duty.”