American companies have spent a decade convincing judges that consumers should keep complaints out of the courts and use arbitration instead. Now business has to persuade a potentially more skeptical group: regulators.

The lawsuits accuse JPMorgan Chief Jamie Dimon of doing precisely what he did, just not fast enough. They accuse him of delaying the announcement as part of a fraudulent scheme to prop up JPMorgan stock between early April, when investors first learned about the “London Whale” roiling derivatives markets, and May 10, when Dimon first disclosed the loss.

Once seen as the bank best able to make the public case against some of the more controversial parts of the Dodd-Frank Act, JPMorgan and its outspoken gray-haired chief, Jamie Dimon, now find themselves at the bottom of a dog pile of regulatory and Capitol Hill investigations only Washington can produce.

The total number of securities class action lawsuits held steady during the first quarter of 2012, although the number of suits filed against Chinese reverse merger companies fell, according to a report by insurance broker Woodruff-Sawyer &Co.

An investor who lost $60 million in the Madoff feeder fund Greenwich Sentry continues to be thwarted in his effort to sue the fund's auditor PriceWaterhouseCoopers. On Friday, the U.S. Court of Appeals for the Second Circuit affirmed a ruling that G. Philip Stephenson couldn't pursue his malpractice and fraud claims, siding with PWC and its lawyers at Kirkland & Ellis.

Citigroup Inc and its Chief Executive Vikram Pandit on Friday won a dismissal of New York real estate developer Sheldon Solow's lawsuit accusing them of securities fraud for hiding the bank's risks during the 2008 financial crisis.

Two employees, working in South America, hatch a fraudulent scheme while communicating via instant messenger. At another company, employees in Asia attempt to conceal their responsibility for rigging bids on government contracts by "wiping" their computer systems at the onset of an internal investigation. Both of these recent and real examples were resolved successfully with the help of sophisticated data forensics, an increasingly important component of Foreign Corrupt Practices Act investigations.

A lighter medical malpractice caseload in Pennsylvania has become the "new normal" as reforms initiated by the state Supreme Court reach their 10th anniversary, attorneys and jurists say.

A statewide legal reform group is calling for legislation that provides greater insight into the workings of the Attorney General's office, but the state's chief deputy AG says she doesn't see how there could be more transparency.