Twelve States Sue to Block Paramount's Buyout of Warner

A group of twelve United States states has filed suit to stop Paramount's proposed acquisition of Warner, Deutsche Welle reported. The state attorneys general argue that combining the two entertainment companies would "extinguish competition" and raise prices for consumers.

The challenge shows antitrust enforcement operating at the state level even where federal regulators may be more permissive. By acting together, the states can pursue a merger review that is independent of Washington's stance, which adds legal risk to large consolidation in media and other industries.

For dealmakers, the suit signals that size in the entertainment industry now draws organized political and legal resistance. The outcome will shape how aggressively other large media and technology companies pursue mergers, and how much regulatory risk they must build into the terms.