CONSUMER CLASS ACTION

A class-action complaint in Cook County Court accuses Commonwealth Edison of failing to take steps to prevent widespread power outages this summer, and failing to warn customers.

A class-action complaint in Los Angeles Superior Court accuses Pioneer Electronics of failing to upgrade DVD players.

A class-action complaint in Tulsa Federal Court accuses Goodman Manufacturing Co. of refusing to recall 800,000 air-conditioners whose aluminum fins corrode because of a “special black coating.”