Twelve state attorneys general have filed an antitrust lawsuit challenging the proposed merger between Paramount Global and Warner Bros. Discovery, arguing the combination would violate federal competition law and harm consumers.

The states contend that combining two major media conglomerates would reduce competition in television production, film distribution, and streaming services. Paramount operates CBS, MTV, and Nickelodeon alongside its film studio and Paramount+ streaming platform. Warner Bros. Discovery owns HBO, CNN, DC Comics properties, and Max streaming service.

The lawsuit targets a deal that would create one of Hollywood's largest entertainment powerhouses, controlling significant portions of broadcast television, cable networks, and streaming content. State attorneys general claim the merger threatens consumer choice by giving the combined entity outsized influence over content pricing, availability, and production decisions across multiple platforms.

This marks the latest antitrust challenge to major media consolidation. The Federal Trade Commission has already scrutinized large entertainment mergers in recent years, reflecting broader regulatory concern about market concentration in media and streaming.

Paramount and Warner Bros. have argued the merger strengthens their ability to compete globally against streaming giants like Netflix, Amazon Prime Video, and Disney+. They contend the deal enables cost savings and better content investment rather than harming competition.

The litigation reflects ongoing tension between antitrust enforcers seeking to preserve media competition and entertainment companies arguing consolidation is necessary for scale in the streaming age. State attorneys general increasingly challenge mergers that federal regulators might approve, expanding the legal battlefield for major corporate combinations.

The case outcome could reshape Hollywood's consolidation strategy and influence whether other major media mergers proceed.