When a federal agency takes a company to court claiming it broke competition law, millions in fines and forced breakups can follow. The DOJ Antitrust Division filed over a dozen major enforcement actions in the past two years alone, targeting everything from Big Tech monopolies and healthcare mergers to old-school price-fixing cartels. Some ended in convictions and blocked deals. Others got tossed by judges or settled quietly. Here’s what changed, who got hit, and which cases are still moving through the courts right now.

Major DOJ Antitrust Cases: Comprehensive Overview Across All Sectors

The DOJ’s got an active enforcement portfolio that cuts across tech platforms, healthcare, labor markets, manufacturing, and financial services. You’re seeing everything from criminal prosecutions where prison time’s on the table to civil merger challenges aimed at forcing companies to sell off pieces of their business. Some cases tackle per se violations like price fixing. Others dive into complex monopolization theories that need extensive economic analysis to prove market power and actual competitive harm.

For complete case documents and real-time updates, check justice.gov/atr. The division posts complaints, settlements, and press releases within hours of filing. Federal court dockets live on PACER at pacer.gov, where you can pull motions, expert reports, and judicial opinions using case numbers. The division also puts out quarterly enforcement stats and annual reports covering closed investigations, penalties obtained, and what they’re prioritizing next.

Big Tech Antitrust Cases Under DOJ Review

The DOJ Antitrust Division cranked up scrutiny of major tech platforms starting in 2020. Multiple cases now target search engines, app stores, digital ad systems, and social networks. The question in each? Whether dominant platforms abuse market power through exclusive agreements, self-preferencing, restrictions that box out developers, and acquisitions that kill off potential competitors.

Google’s facing two separate DOJ lawsuits in different markets. The search monopolization case filed in October 2020 challenges exclusive distribution deals with Apple, Samsung, and browser developers that make Google the default search engine across devices and platforms. After a lengthy trial in 2023, the court found Google maintained an illegal monopoly in general search through these agreements. The remedies phase will decide whether the company has to divest Chrome, share data with competitors, or face conduct restrictions. The second case, filed in January 2023, targets Google’s ad tech stack. It alleges the company monopolized ad server markets, ad exchange services, and advertiser networks by tying products together and rigging auction mechanics to disadvantage competitors.

Apple, Amazon, and Meta each face serious enforcement actions examining platform control and competitive restrictions. DOJ filed suit against Apple in March 2024, claiming the company maintains a smartphone monopoly by restricting super apps, limiting cloud streaming services, degrading cross-platform messaging, and blocking third-party digital wallets to lock users into iOS. Amazon faces an FTC-led lawsuit with DOJ support alleging marketplace monopolization through anti-discounting policies that prevent sellers from offering lower prices elsewhere and conditioning search placement on use of Amazon’s logistics services. Meta’s attempted acquisition of Within Unlimited got challenged in court but ultimately went through after the FTC failed to show enough competitive harm in the emerging VR fitness app market.

Healthcare and Pharmaceutical Antitrust Division Cases

Healthcare markets get heightened antitrust scrutiny because anti-competitive conduct directly hits patient access, treatment costs, and quality of care. Hospital consolidation wipes out local competitors, physician network restrictions limit choices, and pharmaceutical market manipulation can delay generic entry and inflate drug prices. DOJ reviews proposed healthcare mergers more aggressively than most other sectors because patients can’t easily travel long distances for care and medical services aren’t optional.

Hospital merger challenges and physician network consolidation cases focus on geographic market concentration and specialist service availability. The division recently blocked multiple hospital system combinations where the merging parties were the only or dominant providers within reasonable travel distances for inpatient services, emergency care, or specialized treatments like cardiac surgery and neonatal intensive care. Physician network cases examine whether hospital employment of independent physicians or exclusive network arrangements eliminate competition for services, restrict patient referrals, or facilitate collective negotiation that pushes reimbursement rates beyond competitive levels.

Pharmaceutical industry enforcement actions target pay-for-delay settlements where brand manufacturers pay generic competitors to delay market entry. Also product hopping schemes that force patients onto reformulated drugs before generic competition arrives, and collusive agreements among generic manufacturers to allocate customers or territories. The Teva Pharmaceutical case involved multiple generic drug manufacturers accused of coordinating price increases and market division across dozens of common medications. These cases emphasize consumer harm through artificially elevated drug costs and reduced access to affordable alternatives, with investigations often protecting both patients and smaller pharmacies facing anti-competitive supply restrictions.

Labor Market Enforcement: Wage-Fixing and No-Poach Prosecutions

Labor market antitrust violations emerged as a new enforcement priority when the DOJ and FTC recognized that agreements restricting worker mobility or suppressing wages harm employees the same way price fixing harms consumers. Workers lose bargaining power, wages stay artificially low, and talent can’t move to better opportunities when competitors coordinate hiring decisions or compensation levels.

In October 2016, the DOJ and FTC jointly issued Antitrust Guidance for Human Resource Professionals declaring naked wage fixing and no-poaching agreements per se illegal under Section 1 of the Sherman Antitrust Act. The guidance warned that criminal prosecution could follow these violations, treating them equivalently to price fixing cartels. Companies couldn’t claim ignorance anymore that competitor agreements on wages, benefits, or hiring restrictions violated federal law. The Biden administration reaffirmed and strengthened this guidance in its final month, emphasizing continued scrutiny of labor market collusion.

On April 14, 2025, Eduardo Lopez became the first person convicted by jury for criminal wage fixing after a trial in the U.S. District Court for the District of Nevada. Lopez operated a home healthcare staffing agency and coordinated with competing agency operators to suppress wages paid to home healthcare nurses. The key evidence? Text messages between Lopez and competitors explicitly referencing a “mutual agreement” regarding wage levels. Prosecutors argued that the agreement itself constituted the crime regardless of whether it succeeded in suppressing market wages. Antitrust Division head Abigail Slater stated after the verdict that wage fixing agreements are nakedly unlawful and the mere existence of the agreement violates the Sherman Act, even without proof of actual wage suppression or market-wide impact.

The Lopez conviction followed multiple failed prosecutions where juries declined to convict defendants in labor market cases. Most notably, a Connecticut federal court acquitted six defendants in U.S. v. Patel, involving alleged no-poach agreements related to engineer hiring between Pratt & Whitney and its outsourcing suppliers. The case marked the fourth consecutive DOJ loss in criminal labor-side antitrust enforcement. It represented the first dismissal of criminal antitrust charges as a matter of law since the early 1990s. The court rejected DOJ’s application of per se liability, finding that the primary relationship between Pratt & Whitney and the suppliers was vertical (customer-supplier) rather than horizontal competitors. The court also determined that the alleged agreement contained too many exceptions to meaningfully allocate the labor market of engineers, requiring the DOJ to prove the agreement was naked and non-ancillary, adding evidentiary hurdles beyond what prosecutors anticipated.

Despite earlier setbacks, the Trump Justice Department confirmed it’ll continue pursuing antitrust enforcement in labor markets, including criminal prosecution. Abigail Slater’s post-Lopez statements emphasized that wage fixing and no-poach investigations remain priority matters for the division regardless of administration changes, signaling that both technology sector cases and worker protection enforcement will persist across different political leadership.

Sherman Act and Clayton Act Enforcement Framework

The Sherman Antitrust Act of 1890 and the Clayton Act of 1914 provide the legal foundation for DOJ Antitrust Division cases. The Sherman Act prohibits agreements that restrain trade and monopolization conduct, while the Clayton Act addresses mergers, tying arrangements, and exclusive dealing that may substantially lessen competition. Together, these statutes give the division authority to pursue civil enforcement and criminal prosecution.

Sherman Act Section 1 prohibits contracts, combinations, or conspiracies in restraint of trade. This covers horizontal agreements between competitors (price fixing, market allocation, bid rigging) and certain vertical agreements between suppliers and customers (resale price maintenance, exclusive territories). Section 2 prohibits monopolization, attempted monopolization, and conspiracy to monopolize. Violations require proof that a company possesses monopoly power in a relevant market and willfully acquired or maintained that power through exclusionary conduct rather than superior products or business skill. The Sherman Act theoretically criminalizes all agreements that unreasonably restrain trade, but criminal prosecution has generally targeted per se illegal agreement types such as hardcore cartels and, more recently, naked wage fixing.

The Clayton Act Section 7 prohibits mergers and acquisitions where the effect may substantially lessen competition or tend to create a monopoly in any line of commerce. This applies to horizontal mergers between competitors, vertical mergers between suppliers and customers, and conglomerate mergers that eliminate potential competition. Section 3 addresses exclusive dealing arrangements and tying where buyers must purchase unwanted products to obtain desired ones. Section 8 restricts interlocking directorates where the same individuals serve on boards of competing companies. Clayton Act violations are civil matters, not criminal, but violations can result in divestitures, conduct restrictions, and significant compliance obligations.

Courts analyze alleged violations under either per se rules or the rule of reason. Per se violations are agreements so inherently anti-competitive that detailed market analysis isn’t necessary. This includes price fixing, bid rigging, and market allocation. Rule of reason analysis examines the agreement’s actual competitive effects, considering market power, pro-competitive justifications, and whether less restrictive alternatives exist. But the court in U.S. v. Patel rejected DOJ’s attempt to apply automatic per se treatment to labor market no-poach agreements, requiring proof that the alleged agreement was naked and non-ancillary rather than reasonably related to a legitimate business collaboration. This added an evidentiary hurdle and suggested courts won’t mechanically extend per se rules to novel contexts without careful examination of the specific conduct.

Merger Review and Corporate Consolidation Cases

The Hart-Scott-Rodino (HSR) Act requires companies to notify the DOJ and FTC before completing mergers or acquisitions above certain transaction value thresholds (adjusted annually, currently $111.4 million for 2024). After filing HSR notification forms with detailed information about the transaction, parties, markets, and overlaps, the companies enter a 30-day waiting period during which the agencies review competitive concerns. If the reviewing agency issues a Second Request for additional documents, testimony, and data, the waiting period extends until 30 days after parties substantially comply. This process allows DOJ to investigate whether a merger would substantially lessen competition and decide whether to file suit to block it, require divestitures or conduct remedies, or allow it to proceed.

Horizontal mergers between direct competitors receive the most intensive scrutiny because they eliminate existing competition and increase market concentration. DOJ calculates market shares and applies Herfindahl-Hirschman Index (HHI) thresholds to assess concentration levels. Mergers creating highly concentrated markets with significant increases in concentration trigger presumptions of competitive harm that merging parties must rebut with evidence of efficiencies, ease of entry, or lack of actual competitive overlap. Vertical mergers between suppliers and customers raise different concerns about input foreclosure (denying rivals access to necessary inputs) or customer foreclosure (restricting downstream market access). Courts analyze whether the merged entity has ability and incentive to foreclose rivals and whether foreclosure would substantially harm competition.

Recent merger challenges demonstrate DOJ’s willingness to litigate rather than settle with weak remedies. The JetBlue-Spirit Airlines merger got blocked in January 2024 after the court found it would eliminate Spirit as a uniquely low-cost competitor in northeast markets, harming price-sensitive consumers despite JetBlue’s arguments that the merger would create a stronger competitor to American, Delta, and United. Banking consolidation cases examine regional deposit concentration and small business lending impacts. Healthcare merger challenges focus on hospital service areas and whether post-merger price increases would burden patients and insurers. The division increasingly scrutinizes vertical mergers and conglomerate transactions where neither party directly competes, examining whether the combination creates leverage over competitors through control of essential inputs or platforms.

Key factors in DOJ merger analysis include market share calculations based on sales, capacity, or other relevant metrics within properly defined product and geographic markets. Barriers to entry matter, including regulatory requirements, scale economies, network effects, and access to distribution or technology. Competitive effects get examined, including unilateral price increases, coordinated conduct facilitation, innovation reduction, and quality degradation. Innovation impact on R&D investment, product development timelines, and introduction of next-generation technologies or services. Efficiencies defense requiring merger-specific cost savings passed through to consumers that outweigh competitive harm. Remedies assessment determining whether divestitures, licensing, or conduct restrictions can adequately preserve competition.

DOJ Antitrust Case Remedies, Compliance Requirements, and Economic Harm Assessment

Antitrust violations can result in structural remedies that reshape markets, behavioral remedies that restrict future conduct, or hybrid approaches combining both. DOJ seeks remedies that restore competition lost through illegal conduct or prevent competitive harm from proposed mergers.

Structural remedies require companies to divest assets, spin off business units, or separate vertically integrated operations. In merger challenges, the division may demand divestiture of overlapping facilities, brands, or customer relationships to a viable competitor-buyer before allowing the transaction to proceed. Post-violation structural relief might require breaking up an illegally acquired monopoly by forcing sale of businesses obtained through anti-competitive acquisitions. Structural remedies are generally preferred because they directly restore market structure without requiring ongoing monitoring, but they only work when divested assets can operate independently and support effective competition.

Behavioral remedies, consent decrees, and injunctive relief impose conduct obligations and restrictions without restructuring ownership. These include prohibitions on exclusive dealing, requirements to license technology on fair terms, restrictions on tying or bundling, mandates for non-discrimination in platform access, and prohibitions on retaliatory conduct against customers who do business with competitors. Criminal cases can include prison sentences for individuals and criminal fines for companies based on offense severity and commerce affected. Consent decrees in civil cases bind companies for specified periods (often 10 years) and include compliance officer appointments, regular reporting to DOJ, and consent to monitoring or inspection.

Economists shape case development in investigation priorities, market definition, and remedy design. Economic evidence determines relevant product markets by analyzing demand substitution (whether customers would switch to alternatives in response to price increases), supply substitution (whether other producers could quickly shift to manufacture the product), and the hypothetical monopolist test that asks whether a profit-maximizing monopolist over a candidate market would impose a small but significant non-transitory increase in price. Economists quantify competitive effects through price impact studies, margin analysis, merger simulation models, and natural experiments examining price changes in markets where similar consolidation already occurred.

Harm assessment methodologies evaluate whether conduct or transactions injure consumer welfare, restrict output, suppress innovation, or exclude competitors. Consumer welfare standards examine price effects (how much consumers pay), output restrictions (whether supply is limited below competitive levels), quality degradation (reduced service levels or product characteristics), and innovation suppression (slower development of new products or features). The court in U.S. v. Patel found that the alleged no-poach agreement had too many exceptions and limitations to meaningfully allocate the labor market, demonstrating that economic substance matters more than facial agreement structure. The court suggested DOJ attempted to expand market allocation definitions beyond established precedent without adequate proof that the specific agreement actually restricted competition in a meaningful way.

Compliance monitoring obligations often extend years beyond case resolution. Companies operating under consent decrees must designate antitrust compliance officers, implement training programs for employees with pricing or competitive strategy responsibilities, establish reporting systems for identifying potential violations, and submit to DOJ audits or compliance reviews. Private text messages between competitors present significant compliance risks because they occur outside normal corporate IT monitoring infrastructure, making them difficult to detect through automated systems until investigations or litigation produce discovery requests. Corporate compliance programs should include antitrust training covering risks of competitor communications regarding employment, pricing, and market strategies, emphasizing that even informal discussions outside official channels can create criminal liability.

Leadership and Enforcement Priorities Under Current Administration

The DOJ Antitrust Division operates under the leadership of the Assistant Attorney General for Antitrust, a position requiring Senate confirmation. Jonathan Kanter served as Assistant Attorney General from 2021 to 2025, driving aggressive enforcement in technology platform cases and labor market violations. Abigail Slater currently heads the Antitrust Division, having confirmed after the Lopez conviction that enforcement priorities established during the Biden administration will continue with modifications under new leadership.

Enforcement priority shifts during recent years emphasized digital markets focus, labor market protection, and aggressive merger enforcement. The division challenged more mergers through litigation rather than accepting conduct remedies or negotiated settlements, reasoning that behavioral restrictions are difficult to monitor and often fail to prevent competitive harm. Technology platform cases scrutinize self-preferencing, tying of complementary services, and using dominance in one market to foreclose competition in adjacent markets. Labor market enforcement escalated from civil investigations to criminal prosecutions based on the 2016 guidance declaring wage fixing per se illegal.

Continuity in enforcement across administrations remains substantial despite political transitions. The Trump Justice Department confirmed through Slater’s statements that labor market prosecutions will continue, including criminal cases against wage fixing and no-poach agreements. Core enforcement areas such as hardcore cartel prosecution, merger review under HSR filing requirements, and monopolization cases in markets with clear consumer harm maintain consistent priority regardless of which party controls the White House. Policy differences emerge in remedy aggressiveness, willingness to pursue novel theories in untested markets, and the balance between litigation and settlement, but the fundamental statutory authorities and case selection criteria show significant stability.

Multi-Jurisdictional Antitrust Cases and State Coordination

DOJ collaborates with the Federal Trade Commission through a clearance process that divides investigation responsibility for transactions and conduct based on agency expertise and existing relationships with the companies or industries involved. Both agencies enforce Section 7 of the Clayton Act on mergers, but only DOJ brings criminal Sherman Act prosecutions. The agencies jointly issued the 2016 labor market guidance and coordinate investigations where conduct affects multiple markets or implicates both antitrust and consumer protection concerns. Information sharing between DOJ and FTC helps avoid duplicative investigations and ensures consistent enforcement approaches.

State attorneys general frequently file multi-state antitrust litigation in parallel with federal cases, either as co-plaintiffs with DOJ or as separate actions under state antitrust laws. The Google search monopolization case included attorneys general from 38 states and territories alongside DOJ’s federal complaint. States contribute investigative resources, expand geographic scope, and can pursue remedies focused on state-specific competitive conditions. State enforcement authority comes from individual state antitrust statutes (many patterned on the Sherman Act) and parens patriae authority to represent state residents harmed by anti-competitive conduct. Some states have stronger substantive laws or more aggressive enforcement postures than federal authorities, creating overlapping jurisdiction that subjects companies to multiple proceedings.

International coordination with the European Commission and other foreign competition authorities has increased as multinational corporations face scrutiny in multiple jurisdictions simultaneously. DOJ collaborates with the EU on merger reviews where transactions require approval both under HSR in the United States and EU Merger Regulation in Europe. Information sharing agreements allow enforcement agencies to coordinate timing, align remedy requirements, and avoid conflicting obligations that would make compliance impossible. Major technology platform investigations often run in parallel across jurisdictions, with U.S., EU, UK, and Australian authorities examining similar conduct under their respective competition laws. This coordination prevents companies from exploiting jurisdictional gaps but also raises concerns about forum shopping and inconsistent legal standards across different competition regimes.

Court Proceedings and Litigation Stages in Antitrust Division Cases

DOJ antitrust cases proceed through either civil litigation tracks or criminal prosecution tracks depending on violation type and enforcement goals. Civil cases seeking injunctions or divestitures follow Federal Rules of Civil Procedure in federal district courts. Criminal prosecutions follow Federal Rules of Criminal Procedure with grand jury investigations, indictments, and trials before juries that must find defendants guilty beyond reasonable doubt.

Discovery in civil antitrust cases is extensive and often consumes multiple years before trial. DOJ issues Civil Investigative Demands (CIDs) during pre-complaint investigations, requiring document production, interrogatory responses, and depositions without filing suit. After filing complaints, formal discovery includes document requests spanning millions of pages, depositions of corporate representatives and fact witnesses, and expert testimony requirements where economists provide opinions on market definition, competitive effects, and damages. Parties typically designate sensitive business information as confidential through protective orders that restrict access to outside counsel and experts.

Trial proceedings in criminal antitrust cases require proof beyond reasonable doubt, a significantly higher standard than the preponderance of evidence in civil cases. Juries evaluate whether defendants knowingly entered agreements to restrain trade or possessed specific intent to monopolize. Judges retain authority to dismiss criminal charges as a matter of law if evidence is insufficient for any reasonable juror to convict, as demonstrated in U.S. v. Patel where the court prevented the case from reaching the jury after determining no reasonable juror could find defendants guilty beyond reasonable doubt. This marked the first dismissal of DOJ criminal antitrust charges on sufficiency grounds since the early 1990s. The court cited Second Circuit precedent and jury instructions from U.S. v. Davita establishing standards for market allocation agreements.

Appellate review allows losing parties to challenge district court legal rulings, evidentiary decisions, and jury instructions in federal circuit courts of appeal. Antitrust cases raise complex questions about market definition, application of per se rules versus rule of reason, and remedy scope that frequently result in appellate decisions clarifying enforcement standards. Supreme Court antitrust precedent shapes lower court analysis of monopolization, vertical restraints, and merger standards, with landmark decisions establishing frameworks that guide DOJ enforcement strategy across decades.

Private Enforcement and Class Action Implications from DOJ Cases

Section 4 of the Clayton Act creates a private right of action allowing any person injured by antitrust violations to sue for damages in federal court. Private plaintiffs serve an essential enforcement role by pursuing cases where government resources are limited, individual harms are too small for DOJ action, or victims seek compensation rather than structural relief.

Treble damages provisions in Section 4 authorize courts to award three times actual damages to successful private plaintiffs, plus reasonable attorney fees and costs. This incentivizes private litigation and punishes violators beyond government penalties. Class certification standards under Federal Rule of Civil Procedure 23 allow plaintiffs to aggregate claims from thousands or millions of affected customers, workers, or competitors harmed by price fixing, monopolization, or anti-competitive mergers. DOJ findings of liability or guilty pleas in criminal cases provide powerful evidence supporting follow-on civil litigation, as collateral estoppel can prevent defendants from re-litigating factual findings established in government cases. Private plaintiffs building on DOJ investigations benefit from discovery produced during government enforcement, expert reports commissioned by prosecutors, and judicial findings that violations occurred.

Coordination between government enforcement and private plaintiffs involves strategic timing considerations and evidentiary sharing within legal constraints. Private class actions often stay pending while DOJ criminal prosecutions proceed, avoiding discovery conflicts and benefiting from guilty pleas that establish violations. After government cases conclude, stays lift and private litigation advances using DOJ evidence. The Antitrust Division maintains a liaison program that communicates with private plaintiffs about investigation status, document access, and deposition coordination. Large settlements in private cases often exceed government penalties, creating substantial deterrence beyond criminal fines and reaching broader victim populations than DOJ cases focused on establishing liability and structural remedies.

Accessing DOJ Antitrust Division Case Information and Court Documents

The DOJ Antitrust Division maintains comprehensive public case information through its official website and document repositories. Researchers, journalists, attorneys, and affected parties can track ongoing enforcement actions and access legal filings through multiple channels.

The DOJ Antitrust Division website at justice.gov/atr publishes press releases announcing new cases, trial outcomes, guilty pleas, and settlements within hours of occurrence. The press release archive is searchable by date, case name, and industry sector. Each release includes case background, charges or claims, affected markets, and enforcement significance. The site’s case filings repository contains complaints, proposed consent decrees, competitive impact statements explaining settlement terms, and final judgments. The division also posts merger review statistics, enforcement policy statements, and speeches by leadership explaining current priorities.

PACER (Public Access to Court Electronic Records) provides access to federal court filings across all district and appellate courts. Users create accounts at pacer.gov and pay per-page fees for downloading documents. Searching by case number (found in DOJ press releases) retrieves complete dockets with complaints, motions, discovery orders, expert reports, trial transcripts, judicial opinions, and appellate briefs. PACER access is essential for following litigation strategy, understanding parties’ arguments, and reading judicial reasoning in decisions that shape antitrust law development.

Key resources for tracking DOJ antitrust cases include DOJ Antitrust Division press releases at justice.gov/atr/press-releases providing immediate notification of new cases, settlements, and trial outcomes. PACER court filings database at pacer.gov enabling document-level access to complaints, motions, orders, and opinions using case docket numbers. Federal Register notices at federalregister.gov publishing proposed consent decrees, competitive impact statements, and public comment opportunities. District court dockets maintained by each federal courthouse with case management information, hearing schedules, and electronic filing timestamps. Quarterly enforcement statistics reports published by DOJ summarizing cases filed, convictions obtained, fines imposed, and ongoing investigations by sector.

Final Words

The DOJ Antitrust Division cases span technology platforms, healthcare markets, labor competition, and corporate mergers with enforcement ranging from criminal wage-fixing prosecutions to multi-billion dollar merger challenges.

Recent outcomes show both landmark wins like the Lopez conviction and setbacks including the Patel acquittal, reflecting the complexity of proving antitrust violations under evolving legal standards.

Track active cases through official DOJ resources and PACER filings to stay current on enforcement actions that may affect your industry, compliance obligations, or business strategy.

Understanding these cases helps navigate regulatory risk and competitive dynamics across digital markets, labor practices, and consolidation trends.

FAQ

What does the Department of Justice Antitrust Division do?

The Department of Justice Antitrust Division enforces federal competition laws by investigating and prosecuting anticompetitive conduct, reviewing corporate mergers, and challenging monopolistic behavior across all economic sectors to protect consumers and maintain competitive markets.

What are some antitrust cases?

Recent DOJ antitrust cases include United States v. Lopez (the first successful criminal wage-fixing prosecution), Google search monopolization litigation, Apple app store enforcement, hospital merger challenges, pharmaceutical pay-for-delay settlements, and U.S. v. Patel (employee no-poach agreement acquittal).

Who heads the Department of Justice’s Antitrust Division in the USA?

Abigail Slater currently heads the Department of Justice’s Antitrust Division, continuing enforcement priorities established under Assistant Attorney General Jonathan Kanter, including criminal prosecution of labor market violations and aggressive digital markets oversight.

What is Jonathan Kanter known for?

Jonathan Kanter is known for leading DOJ Antitrust Division enforcement against digital platforms, expanding criminal prosecution of wage-fixing and no-poach agreements, and strengthening merger review standards during his tenure as Assistant Attorney General for Antitrust.

What laws govern DOJ antitrust enforcement?

DOJ antitrust enforcement is governed primarily by the Sherman Antitrust Act (prohibiting agreements restraining trade and monopolization) and the Clayton Act (addressing mergers, exclusive dealing, and tying arrangements), with violations prosecuted civilly or criminally.

What is the Lopez wage-fixing case?

The Lopez wage-fixing case refers to United States v. Lopez, where Eduardo Lopez was convicted on April 14, 2025, by federal jury for criminally conspiring to fix wages of home healthcare nurses, marking the first successful DOJ criminal wage-fixing prosecution.

Why did previous DOJ labor market cases fail?

Previous DOJ criminal labor market cases failed because juries rejected charges in four consecutive trials, and the U.S. v. Patel court dismissed charges as a matter of law, finding the alleged no-poach agreement had too many exceptions to meaningfully allocate the labor market.

What evidence convicted Lopez of wage-fixing?

Text messages with competitors referencing a “mutual agreement” regarding wages convicted Lopez, demonstrating that the agreement itself constitutes the crime under per se illegal standards established in DOJ and FTC guidance for wage-fixing and no-poach arrangements.

What remedies can DOJ obtain in antitrust cases?

DOJ antitrust remedies include structural solutions like divestitures and spin-offs, behavioral restrictions through consent decrees and injunctions, criminal penalties including fines and imprisonment, and ongoing compliance monitoring to prevent future violations.

How does DOJ review corporate mergers?

DOJ reviews corporate mergers through Hart-Scott-Rodino Act notification procedures, analyzing market concentration, competitive effects, barriers to entry, innovation impact, and potential consumer harm before approving, blocking, or requiring modifications to proposed transactions.

What is per se illegal conduct in antitrust law?

Per se illegal conduct in antitrust law refers to agreements automatically prohibited without requiring detailed market analysis, including price-fixing, market allocation, and bid-rigging, though courts now require DOJ to prove agreements are naked and non-ancillary.

How can businesses access DOJ antitrust case information?

Businesses can access DOJ antitrust case information through the DOJ Antitrust Division website’s press release archive, PACER court filings database for complaints and decisions, Federal Register notices, district court dockets, and quarterly enforcement statistics reports.