FTC and DOJ Antitrust Division: Shared Jurisdiction
Two federal agencies share responsibility for antitrust enforcement in the United States: the Federal Trade Commission and the Department of Justice Antitrust Division. This dual-agency structure, unique among major economies, means that mergers, acquisitions, and anticompetitive conduct can fall under the scrutiny of either body depending on a set of established allocation rules. Understanding how jurisdiction is divided — and where it overlaps — is essential for businesses navigating merger review, civil investigative demands, and conduct investigations.
Definition and scope
Federal antitrust authority in the United States derives primarily from three statutes: the Sherman Antitrust Act of 1890, the Clayton Act of 1914, and the FTC Act of 1914. The DOJ Antitrust Division enforces the Sherman Act and Clayton Act directly, while the FTC enforces the FTC Act (specifically Section 5) and the Clayton Act. The Sherman Act grants the DOJ the power to bring both civil and criminal cases — criminal prosecution of price-fixing and bid-rigging cartels is exclusively a DOJ function. The FTC has no criminal enforcement authority.
This statutory split means the two agencies operate with overlapping but distinct toolkits:
- DOJ Antitrust Division: civil and criminal Sherman Act cases, civil Clayton Act cases, merger injunctions filed in federal district court
- FTC: civil-only enforcement under the FTC Act and Clayton Act, administrative adjudication, consent orders, and rulemaking authority
Both agencies administer the Hart-Scott-Rodino Premerger Notification program, which requires parties to qualifying transactions to file pre-merger notifications and observe a waiting period before closing. As of the HSR thresholds adjusted in 2024, the base size-of-transaction threshold stood at $119.5 million (FTC HSR threshold notice, Federal Register).
How it works
When an HSR filing arrives, the FTC and DOJ do not independently review every transaction. Instead, the two agencies operate a clearance process — an informal bilateral allocation system in which one agency is designated as lead reviewer for a given filing. The process works as follows:
- Both agencies receive the HSR notification simultaneously.
- Agency staff compare the filing against each agency's existing expertise in the relevant industry sector.
- One agency formally "clears" the other to proceed, withdrawing from active review.
- The cleared agency issues any Second Request for additional documents under Civil Investigative Demand authority or the equivalent DOJ subpoena.
- If a transaction raises competitive concerns, the cleared agency may negotiate remedies, seek consent orders, or file for a preliminary injunction in federal court.
The clearance system is administrative rather than statutory — no federal statute mandates which agency reviews which transaction. Historically, the division has tracked industry specialization: the DOJ has developed concentrated expertise in telecommunications, financial services, and agriculture, while the FTC has handled pharmaceuticals, healthcare, and consumer goods. The FTC's Bureau of Competition coordinates directly with DOJ staff during the clearance determination.
Common scenarios
Horizontal mergers between direct competitors represent the most frequently reviewed transaction type. A proposed merger between two pharmaceutical manufacturers, for example, would typically clear to the FTC given its established healthcare enforcement history documented in cases tracked under FTC pharma and healthcare enforcement.
Conduct investigations — including allegations of monopolization, exclusive dealing, or tying arrangements — follow a similar but less formalized clearance norm. If the DOJ has an open investigation into a firm in a particular sector, the FTC generally defers rather than opening a parallel proceeding. However, no formal legal bar prevents simultaneous investigations.
Criminal cartel enforcement presents the clearest jurisdictional boundary. Price-fixing, bid-rigging, and market-allocation conspiracies are prosecuted exclusively by the DOJ under Sherman Act Section 1. The FTC has no authority to bring criminal charges and does not participate in grand jury proceedings for cartel matters.
State attorneys general represent a third layer: 50 state AG offices may bring independent antitrust actions under state law or as parens patriae plaintiffs under federal law, acting alongside or separately from federal agencies.
Decision boundaries
The FTC and DOJ have published a set of joint guidelines — most recently updated as the 2023 Merger Guidelines — that articulate shared analytical standards for horizontal and vertical mergers. Despite unified analytical standards, the procedural paths after clearance diverge significantly.
| Dimension | FTC | DOJ Antitrust Division |
|---|---|---|
| Criminal authority | None | Sherman Act Sections 1 and 2 |
| Administrative adjudication | Yes — ALJ process available | No — federal court only |
| Rulemaking authority | Yes — under FTC Act | No standalone rulemaking |
| Merger injunction venue | Federal district court (preliminary) + administrative | Federal district court only |
| Consent instrument | FTC consent order | DOJ consent decree (court-entered) |
One critical practical divergence involves remedy enforcement. FTC consent orders are enforced administratively and can carry civil penalties of up to $51,744 per day per violation as adjusted under the Federal Civil Penalties Inflation Adjustment Act (FTC civil penalty amounts). DOJ consent decrees are enforced through federal court contempt proceedings, with no analogous per-day administrative penalty structure.
The broader landscape of FTC authority — spanning consumer protection, privacy, and competition — is mapped across the ftcauthority.com reference index, which provides structured access to each major enforcement program. For the FTC's own account of its relationship with the DOJ, the agency's guidance is maintained at FTC relationship with DOJ Antitrust.