After a Florida state appeals court overturned his $1.6 billion verdict against the investment bank, Perelman and his lawyers have tried every which way to revive it. But Wednesday's appellate rebuff of their request for a new trial may be the end of the show.

A Florida woman who claims that she was injured by Teva's generic version of a brand drug manufactured by Wyeth and Schwarz Pharma can't sue any of the companies, an Eleventh Circuit panel ruled on Tuesday. The panel found that the woman's claims against Teva were barred by a U.S. Supreme Court ruling, and that her claims against Wyeth and Schwarz were barred by Florida law.

In a potentially ruinous suit for the gift card industry, a company called Every Penny Counts claimed that all gift cards violated its patents on technology for transferring "excess cash." The Federal Circuit thought differently.

After inking a settlement with founders of the Fairfield Greenwich Group over more than $1 billion lost in Bernie Madoff's Ponzi scheme, a lawyer for the plaintiffs at Boies Schiller said the deal "allows us to really focus on the defendants that have a much greater ability to pay."

Tenet Healthcare fended off a $4 billion hostile takeover bid last year in part by accusing Community Health Systems, its would-be acquirer, of bilking Medicare out of hundreds of millions of dollars. Almost exactly a year later, Tenet's lawyers at Latham & Watkins and Arnold & Porter have helped the company resolve nearly identical claims leveled by the Justice Department.

Verizon is siding with Samsung in its first foray into the IP litigation free-for-all over smartphone technology. But the wireless carrier promised it would also defend Apple's products against injunction bids by competitors.