Key Themes: Antitrust and the Free Market

Slater highlighted the intersection of antitrust remedies and AI innovation, framing the current moment as an “inflection point” for both antitrust enforcement and technology policy. She argued that monopolization remedies should foster competition by opening markets to smaller tech firms while incentivizing large tech companies to innovate rather than exclude competitors. Drawing parallels between the advent of large language models (LLMs) and the internal combustion engine, she stressed that AI’s transformative potential depends on entrepreneurs having the freedom to innovate without monopolistic barriers.

“The antitrust laws are the free market laws,” Slater said, citing the Supreme Court’s ruling in N. Carolina State Bd. of Dental Examiners v. F.T.C. (2015), which underscores antitrust as a safeguard for economic freedom ([1]).

Historical Lessons in Antitrust Enforcement

Slater provided three historical examples to illustrate how antitrust remedies have spurred innovation:

1. Standard Oil Breakup (1911): President Theodore Roosevelt’s lawsuit against Standard Oil dismantled its monopoly, reducing oil prices and enabling industries like automotive and aviation to thrive. This case demonstrated that curbing monopolistic control fosters economic dynamism ([2], [3]).
2. AT&T Consent Decree (1956): The DOJ’s 1949 lawsuit against AT&T led to a settlement that opened access to transistor technology, catalyzing the growth of Silicon Valley firms like Intel and Fairchild. Gordon Moore, Intel’s co-founder, credited this decree for enabling the semiconductor industry’s rise ([4], [5]).
3. AT&T Breakup (1984): Under President Reagan, the DOJ broke up AT&T’s telephone monopoly, fostering competition in long-distance and wireless markets. This enabled innovations like the Carterfone and, later, the iPhone, showing how antitrust remedies can unlock adjacent markets ([6], [8], [10]).
4. Microsoft Decree (2001): The Bush-era settlement with Microsoft prevented the company from stifling competition in the Windows ecosystem, allowing companies like Google and Apple to grow. This case highlighted the importance of protecting “leapfrog competition” for transformative innovations ([11], [12], [13]).

Antitrust in the AI Era

Slater emphasized that today’s AI-driven technological race requires similar antitrust vigilance. Monopolists who hoard data, users, or platforms can stifle innovation, much like AT&T and Microsoft did in the past. She advocated for remedies that restructure access to these resources without picking winners, trusting the competitive process to drive growth. This approach, she argued, counters centralized models like China’s, which rely on state-backed monopolies ([1]).

Benefits for All Stakeholders

Slater concluded that antitrust enforcement benefits not only innovators but also monopolists and consumers. Post-breakup, Standard Oil’s successors (ExxonMobil, Chevron) and AT&T’s descendants (Verizon, AT&T) thrived, as did Microsoft after its decree. By fostering competition, antitrust remedies expand economic opportunities, lower prices, and drive innovation, ensuring America’s leadership in AI and beyond ([14], [15]).

Why This Matters for Antitrust and AI

Slater’s speech underscores the DOJ’s commitment to using antitrust enforcement to promote free market competition in the AI era. As LLMs and other AI technologies reshape industries, her insights highlight the need for policies that prevent monopolistic exclusion and empower entrepreneurs. For businesses, policymakers, and tech enthusiasts, her message is clear: robust antitrust remedies are essential for unleashing America’s innovation potential.

Andre Barlow

abarlow@dbmlawgroup.com

Citations:

1. N. Carolina State Bd. of Dental Examiners v. F.T.C., 574 U.S. 494 (2015).
2. Roosevelt, T., Special Message to the Senate and House (1906).
3. Standard Oil Co. v. United States, 221 U.S. 1 (1911).
4. Watzinger et al., How Antitrust Enforcement Can Spur Innovation (2020).
5. Wessner, C.W. (ed.), Capitalizing on New Needs and New Opportunities (2001).
6. Watzinger & Schnitzer, The Breakup of the Bell System (2022).
7. In re Use of the Carterfone Device, 13 F.C.C.2d 420 (1968).
8. Carstensen, P.C., Remedies for Monopolization (2012).
9. Heiner, D.A., Microsoft: A Remedial Success? (2012).
10. Hesse, R.B., Section 2 Remedies and U.S. v. Microsoft (2009).
11. United States v. Microsoft, 253 F.3d 34 (2001).
12. Comanor, W.S., Break ‘Em Up for Their Own Good (1992).
13. Id.

The long-awaited remedy phase of United States v. Google concluded on September 2, 2025, when U.S. District Judge Amit P. Mehta delivered a carefully calibrated ruling following his August 2024 finding that Google illegally monopolized search. The decision stops short of breaking up the company yet aims to curtail anti-competitive behavior via behavioral constraints.

Key Remedies Imposed

Despite Google’s resounding defeat last year in the U.S. Department of Justice’s case targeting its search monopoly, Judge Mehta only handed down a mixed bag of remedies aimed at propping up search engine rivals and limiting the exclusive nature of its distribution contracts Judge Mehta’s decision imposes several targeted limitations while allowing Google and its partners like Apple to retain significant benefits:

1. Ban on Exclusive Deals
   GOOGLE may no longer enter or maintain exclusive contracts for distributing Google Search, Chrome, Google Assistant, or the Gemini app.
   This curtails Google’s ability to lock competitors out through tied default arrangements.
2. Conditional Revenue-Share Restrictions
   Agreements conditioning revenue-share benefits on distribution or placement of Google’s apps beyond one year are barred. This means Apple and Google can enter annual contracts and maintain the same relationship.
3. No Divestiture of Chrome or Android
   The court rejected calls to mandate a sale of Chrome or Android, finding such remedies too disruptive and poorly tailored to the offending conduct.
4. Allowed Payments Remain in Place
   Google can still pay partners for preloading and default placement, avoiding what the court saw as potentially harmful disruptions to the broader ecosystem.
5. Data Sharing Mandate
   Google must share certain search index and user-interaction data with “qualified competitors,” though not advertising data.
6. Syndication Services for Rivals
   Competitors can buy search and text-ads syndication from Google on commercial terms, though scope and duration are narrower than DOJ sought.
7. No Choice Screens Required
   The court ruled against mandating user-facing choice screens, citing poor precedent and lack of proven pro-competitive effect.
8. No Keyword Bidding or Granular Ads Data Required
   Google won’t be forced to restore exact-match bidding or share granular ad data with advertisers.
9. Transparency in Auctions Required
   Google must publicly disclose material changes to its ad auction systems, enhancing visibility into pricing practices.
10. Rule-Out of Public Education or Publisher Policy Remedies
    Proposals such as nationwide campaigns or forced changes to publisher policies were rejected as unrelated to monopolistic acts.
11. No Anti-Retaliation or Self-Preferencing Clauses
    The judge found these provisions vague or unsupported in evidentiary record.
12. Technical Committee and Timeline
    A six-year remedy term will take effect 60 days after the final judgment, with a Technical Committee appointed immediately to oversee enforcement.

At-a-Glance Table

Analysis

1. “Slap on the Wrist”?

Google avoids structural break-ups and retains flexibility to pay for placement—meaning its dominance in search is likely to persist.

2. But Not Toothless

The restrictions on exclusive contracts and the mandated data sharing add meaningful friction to entrenched practices. These could empower startups and AI-based rivals to gain footholds.

3. Generative AI Changes the Equation

Judge Mehta explicitly noted that the rise of generative AI—such as ChatGPT and Perplexity—factors into the calculus, making overly drastic remedies more dangerous and unnecessary.

4. DOJ and Advocates Push Back

Though the DOJ hailed the ruling as a critical step toward reigniting competition, advocates like DuckDuckGo CEO Gabriel Weinberg critiqued it as inadequate, warning consumers will still “suffer.”

Meanwhile, groups like the American Economic Liberties Project lambasted the court’s approach as a failure of enforcement.

5. Echoes of Microsoft Case

The ruling evokes the 2001 Microsoft settlement: no breakup, but behavioral constraints plus a compliance committee.

Conclusion

Judge Mehta’s remedies against Google represent a measured middle ground — disrupting key anti-competitive behaviors while preserving existing infrastructure. Whether this balance suffices to revive competition in search hinges on how well rivals can leverage access to Google’s data and syndication offerings—and whether antitrust enforcers and Congress step in if results disappoint.

Google and the DOJ may appeal, but the decision allows both sides to claim a victory. It could be years before the remedies take full effect. And, as an aside, Apple, who benefits from sharing revenue with Google can also claim victory.

Andre Barlow

abarlow@dbmlawgroup.com

202-589-1838

Allegations in the Biden DOJ’s Complaint

The DOJ’s lawsuit, filed in the U.S. District Court for the Southern District of New York, alleged that the proposed acquisition would harm competition in the market for business travel management services, particularly for global and multinational companies in the United States. Key points from the complaint include:

1. Market Concentration and Oligopolistic Structure:
   • The DOJ claimed that the merger would combine Amex GBT, the largest business travel management company globally (with $28.2 billion in transaction volume in 2023), and CWT, the third-largest (with $14 billion in transaction volume), significantly reducing competition in an already concentrated market. The complaint described the market as “oligopolistic,” with Amex GBT, CWT, and BCD Travel (the second-largest player) controlling at least 70% of the market for travel management services for global companies with annual travel budgets of at least $30 million.
   • The DOJ argued that the merger would reduce the number of major players from three to two in this segment, giving the combined firm a dominant share and limiting competitive options for large businesses.
2. Harm to Competition:
   • The complaint highlighted that Amex GBT and CWT were fierce competitors, particularly for large businesses with complex travel needs. CWT had recently pursued innovative strategies to improve service and reduce prices, winning significant bids against Amex GBT. The DOJ alleged that the merger would eliminate this head-to-head competition, leading to higher prices, reduced choices, and stifled innovation for U.S. businesses.
   • The DOJ emphasized that few other companies could provide travel management services at the scale required by global and multinational firms, making the loss of CWT as an independent competitor particularly harmful.
3. History of Consolidation:
   • The lawsuit noted that this would be Amex GBT’s fifth acquisition of a travel management company since 2018, further consolidating an already concentrated market. The DOJ argued that this pattern of acquisitions exacerbated anticompetitive effects.
4. Narrow Market Definition:
   • The DOJ defined the relevant market narrowly, focusing on travel management services for global and multinational companies with significant travel budgets (e.g., over $30 million annually). This definition excluded smaller travel management companies and online tools, which the DOJ argued were not viable substitutes for the specialized services provided by Amex GBT and CWT. Amex GBT criticized this as a “gerrymandered” and “contrived” market definition, arguing it failed to account for broader competition in the evolving travel industry.

Context of the Case

• Timing and Political Context: The lawsuit was filed on January 10, 2025, just 10 days before the transition from the Biden administration to the Trump administration on January 20, 2025. Amex GBT described the filing as a “politically motivated” move by the Biden DOJ to push one final anti-merger challenge, noting that the transaction was not set to close until March 2025, giving the incoming Trump administration time to review it. Interestingly enough, the Biden DOJ did not challenge Capital One/Discover or HPE/Juniper even though the waiting period for HPE/Juniper was set to expire in January of 2025.
• Amex GBT’s Defense: Amex GBT argued that the DOJ’s complaint relied on outdated market views, ignoring post-pandemic changes in the travel industry, such as the rise of online tools and competitors like BCD Travel and Navan Inc. The company asserted that the merger would enhance innovation, create synergies, and provide greater value to customers, suppliers, and employees.
• International Scrutiny: The UK’s Competition and Markets Authority (CMA) also reviewed the merger, initially raising concerns about competition for multinational clients with travel budgets over $25 million. However, by February 2025, the CMA provisionally concluded that the deal posed no significant competition concerns, reinforcing Amex GBT’s position that the DOJ’s case was flawed.

Dismissal of the Case

On July 29, 2025, the DOJ moved to dismiss the lawsuit, exercising its “prosecutorial discretion” in a court filing before Judge Jed Rakoff in New York. The trial, scheduled for September 2025, was thus avoided, and the merger was allowed to proceed. Several factors contributed to the dismissal:

1. Change in Administration:
   • The case transitioned to the Trump administration, with Gail Slater appointed as head of the DOJ’s Antitrust Division. The Trump administration is perceived as more business-friendly and less aggressive on antitrust enforcement compared to the Biden administration. The dismissal aligned with a potential shift in priorities, as the Trump DOJ viewed the merger as less harmful or prioritized other enforcement activities. “The Antitrust Division, alone, made the decision to dismiss the case after a robust investigation,” Assistant Attorney General Gail Slater said in a statement. “The Division must also consider the enforcement trade-offs inherent to thoughtful and effective use of its limited taxpayer-funded resources.”
   • DOJ’s antitrust lawyers reviewed the transaction after Slater joined the agency in March. That review determined that new technologies are emerging to challenge travel suppliers like Amex GBT and CWT, making the merger less likely to harm competition.
2. Prosecutorial Discretion and Resource Allocation:
   • The DOJ cited “prosecutorial discretion” in its filing, with Antitrust Division head Gail Slater stating that the decision followed a “robust investigation” and considered “enforcement trade-offs” due to limited taxpayer-funded resources. This suggests the DOJ may have determined that pursuing the case was not the best use of resources, especially if the evidence of anticompetitive harm was less compelling under further review.
3. Weakness of the Case:
   • Arguably, the DOJ’s case was “flimsy” due to its narrow market definition. The market for travel management services has evolved, with online tools and new competitors like Navan Inc. increasing competition. Amex GBT’s claim that at least six travel management companies could serve large customers as effectively as CWT may have undermined the DOJ’s argument that the market was being reduced from three to two players. Indeed, the DOJ’s complaint indicates that the top three players only have 70% or the market so clearly other competition exists.
   • The UK CMA’s provisional clearance of the merger in February 2025 likely bolstered Amex GBT’s argument that the deal did not significantly harm competition, putting pressure on the DOJ to reconsider its stance.

Conclusion

The Biden DOJ’s lawsuit against the Amex GBT-CWT merger centered on allegations that it would reduce competition in a concentrated market for global business travel management, risking higher prices and less innovation, which could have impacted large global corporation customers. Large global enterprise customers with over $30 million travel budgets, however, have numerous options and can typically take care of themselves. The case was dismissed in July 2025 by the Trump DOJ, citing prosecutorial discretion and resource considerations. The dismissal was likely influenced by a combination of a weaker case upon further review by Slater’s team, which was supported by the UK CMA’s findings and a shift in administration priorities.

Andre Barlow

202-589-1838

abarlow@dbmlawgroup.com

The settlement aimed to restore competition by ensuring that key assets, such as HPE’s Instant On business and Juniper’s AI Ops for Mist source code, remained available to competitors. The divestiture of the Instant On business to a DOJ-approved buyer within 180 days and the licensing of Mist AI software were designed to maintain competitive dynamics in the wireless local area network (WLAN) market, preventing the merged entity from dominating over 70% of the market alongside Cisco Systems. Industry perspectives, including comments from solution providers, suggest that these measures were seen as minor concessions that preserved the deal’s benefits while fostering competition, particularly against Cisco, by enabling a stronger, AI-driven networking portfolio for HPE.

To be sure, the effectiveness of these measures in fully restoring competition depends on the execution of the divestitures and licensing, as smaller competitors may still face challenges matching the scale of the merged HPE-Juniper or Cisco. That said, the licensing Juniper’s Mist AI software source code to independent competitors is a notable concession in the DOJ’s settlement with HPE and Juniper. This move was designed to facilitate new entry and maintain competition in the wireless local area network (WLAN) market.

The Mist AI software is a key component of Juniper’s portfolio, powering its cloud-managed, AI-driven networking solutions that optimize wireless performance and user experience. By requiring HPE to license this source code to competitors, the DOJ aimed to lower barriers for new or smaller players to develop competitive WLAN solutions, potentially fostering innovation and preventing the merged HPE-Juniper entity (with over 70% market share alongside Cisco) from stifling competition. This licensing could theoretically enable entrants to build or enhance AI-driven networking products without the need to develop comparable technology from scratch—a significant hurdle given the complexity and cost of AI-driven network management systems.

The effectiveness hinges on how accessible and affordable the licensing terms are in the future so the DOJ’s oversight will be very important. New entrants will likely need more that just access to the source code, they will need the technical expertise, infrastructure, and market reach to capitalize on the code. The settlement also required HPE to divest its Instant On wireless business to a DOJ-approved buyer within 180 days. This divestiture ensures that a standalone competitor retains a foothold in the market, potentially amplifying the competitive impact of the Mist AI licensing by giving an existing player immediate market presence. Fortunately, many of the competitors in the WLAN enterprise grade are actually significant competitors already.

This is clearly a strategic compromise that preserves HPE’s ability to compete with Cisco and globally while addressing DOJ concerns in the domestic market. The licensing of Mist AI could indeed spur innovation by enabling competitors to offer AI-driven solutions, potentially leading to new entrants or strengthening existing ones like Extreme Networks, Arista, Fortinet, or Ruckus. In short, giving up the Mist AI source code is a significant concession in that it creates an opportunity for new entry by lowering a key technological barrier. Whether it truly restores competition depends on how competitors leverage this access and navigate the broader market challenges. It’s a step toward leveling the playing field, but not a guaranteed win for new entrants against the industry’s heavyweights.

Lessons Learned

The recent settlement in the HPE-Juniper merger case offers insights into the DOJ’s approach to antitrust enforcement. Although the allegations in the complaint lacked a clear resolution, the settlement reflects a pragmatic decision by the DOJ to accept an imperfect remedy for a case with weak grounds for a full challenge.  The DOJ hailed the settlement as a victory, describing it as a novel approach to addressing unique challenges in merger cases. Notably, the DOJ considered the procompetitive benefits of the merger, particularly in the context of global competition. The agreed-upon remedy includes HPE’s divestiture of its global Instant On campus and branch WLAN business and at least one perpetual, non-exclusive license to Juniper’s Mist source code. This remedy modestly reduces market share in the enterprise-grade WLAN solutions market, but allows for new entrants to expand their enterprise grade WLAN offerings.  In addition, the divestiture and licensing must be completed within 180 days, with the possibility of 60-day extensions if needed, indicating the DOJ’s flexibility in finalizing the agreement.  This is also a departure from recent practice.  

Assistant Attorney General Slater’s stance against accepting inadequate remedies may still hold when a challenge is strongly supported by evidence. However, in this case, she demonstrated willingness to negotiate a less-than-ideal remedy for a merger that likely did not warrant being blocked. This decision aligns with the investigating staff’s view that the deal should not have been challenged initially.  The decision to settle rather than litigate, despite a weak legal case due to Juniper’s modest 6.5% market share, reflects a strategic choice to preserve agency credibility while enabling the merger and also aligns with the Trump administration’s “America First” agenda.

The key takeaways are that the DOJ is open to settling weaker cases with tailored remedies; the DOJ will consider procompetitive benefits, such as global market competitiveness so that can influence outcomes in future deals; and the DOJ is willing to use flexible timelines and pragmatic remedies reflecting a balanced approach to antitrust enforcement.    

Andre Barlow

202-589-1838