Last year, DuPont's trade secrets battle with Korean rival Kolon Industries climaxed in one of the biggest jury verdicts in years. Now it's led to a sweeping injunction that has the trade secrets bar abuzz.

As trial nears, U.S. District Judge Susan Illston has told counsel in the flat-panel antitrust suit to stop posturing and get the case ready for jurors.

A start-up that blames Best Buy for its demise got some revenge on Thursday, when jurors returned a verdict that the big-box retailer misappropriated trade secrets from Techforward, a software company that helped retailers offer "buyback plans" for consumer electronics. The jury awarded Techforward $22 million in damages, and a judge tacked on $5 million in punitive damages.

Two months after opting out of a class action against Pfizer, a group of major public and private institutional investors are taking matters into their own hands. On Thursday the breakaway investors and their lawyers at Bernstein Litowitz filed their own securities fraud suit, accusing Pfizer of duping shareholders about risks associated with two once-blockbuster drugs.