WASHINGTON--Microsoft went on the offensive Friday in the antitrust case brought against it by Sun Microsystems, accusing its bitter rival of violating California law through "unfair competition." In ...

The long-running battle between Microsoft and Sun Microsystems over the Java programming language escalated Thursday, as Microsoft issued a terse response to a Sun ad campaign that ran last week.

Sun Friday said it has entered into a “broad cooperation agreement” with Microsoft and settled all outstanding litigation. Microsoft will pay Sun $700 million to resolve all pending anti-trust issues ...