Mexico’s judicial overhaul: implications for North American companies

Josh H Escovedo
Buchalter, Sacramento

Introduction

Mexico has embarked on one of the most consequential constitutional transformations in its modern legal history. A sweeping judicial reform, enacted in September 2024 and now being implemented through 2025–2027, fundamentally restructures how judges are selected, how courts operate, and how constitutional protections function. For North American companies – particularly those operating under the US-Mexico-Canada Agreement (USMCA) – this reform is not merely institutional. It has direct implications for dispute resolution, regulatory enforcement and the predictability of the rule of law in Mexico.

Core elements of the reform

At its centre, the reform replaces Mexico’s long-standing merit-based judicial appointment system with a model of popular election for virtually all judges. Key structural changes include:

• Popular election of judges at all levels – federal judges, magistrates and even Supreme Court justices are now elected by voters following a pre-selection process involving all three branches of government.
• Phased implementation – the first wave of elections occurred in 2025, with the remainder scheduled for 2027.
• Reconfiguration of the Supreme Court – the number of justices has been reduced from 11 to nine, with shorter fixed terms.
• Creation of new governance bodies – a Judicial Disciplinary Tribunal and administrative authority replace prior oversight structures.
• Limitations on constitutional relief (amparo) – court rulings may now have more limited, case-specific effects, rather than broader general applicability.

Collectively, these changes dismantle the traditional career judiciary model and introduce electoral dynamics into judicial decision-making. In turn, the electorate can hold the judiciary accountable for its decisions and conduct on the bench.

Policy objectives and official rationale

The reform was promoted by the Mexican government as a mechanism to: (1) combat corruption within the judiciary; (2) increase accountability to the public; and (3) accelerate judicial decision-making. Proponents argue that democratising judicial selection will align courts more closely with societal interests.

Yet critics, including legal scholars, international organisations and segments of the private sector, have raised concerns about judicial independence, politicisation and institutional capacity. In the US, the analogous rationale for insulating the federal judiciary from electoral politics has long been to promote independence and apolitical decision-making. Mexico’s approach represents a notable divergence from that model.

Early implementation signals

The first nationwide judicial elections in 2025 marked an unprecedented global experiment: Mexico became the first and only country to elect all of its judges by popular vote. Early indicators include:

• low voter turnout – in some jurisdictions below 20 per cent – raising questions about democratic legitimacy;
• concerns over candidate qualifications, as the shift away from a career judiciary has brought forward candidates with limited judicial experience; and
• ongoing political debate, including proposals to refine or delay subsequent election phases.

Monitoring bodies have also flagged the compressed timelines for voter education and ballot transparency. These developments suggest that the reform’s long-term effects remain uncertain and highly contingent on implementation quality.

Why North American companies should care

For foreign companies – particularly US and Canadian businesses with cross-border investments – the reform introduces several material considerations.

1. Legal certainty and predictability

The introduction of elected judges raises the possibility that judicial outcomes may become more sensitive to political or public pressures. This could affect contract enforcement, administrative litigation and constitutional challenges to regulatory actions. Recent reporting indicates that concerns over legal uncertainty are already influencing investor sentiment and government-to-government discussions.

2. Dispute resolution strategy

Companies may need to reassess their reliance on domestic courts. They may also need to consider greater use of international arbitration clauses and structuring investments to access investor-state dispute settlement (ISDS) mechanisms under USMCA or other treaties. Some firms have reportedly begun incorporating such mechanisms more systematically into contracts with Mexican counterparties.

3. Regulatory and tax enforcement risk

Parallel concerns have emerged regarding administrative enforcement practices, including tax disputes. A judiciary perceived as less independent may limit effective judicial review of regulatory actions and increase the cost and duration of challenging government decisions. Companies with pending or anticipated disputes before Mexican administrative tribunals should assess their exposure now, before the next election cycle reshapes the bench.

4. Sector-specific exposure

Industries with heavy regulatory interfaces – energy, infrastructure, telecommunications and manufacturing – are particularly exposed. These sectors often rely on constitutional protections, stable administrative jurisprudence and predictable appellate review. Any perceived erosion in these areas could materially affect investment decisions.

5. USMCA and bilateral relations

The reform has already attracted scrutiny in the context of USMCA compliance and broader US-Mexico relations. Concerns about judicial independence intersect with trade dispute mechanisms, investor protections and ongoing treaty review processes. This creates a potential feedback loop between domestic judicial changes and international economic policy.

Strategic considerations for counsel

In-house and external counsel advising North American companies should consider the following:

• revisiting dispute resolution clauses in Mexican contracts;
• conducting jurisdictional risk assessments for ongoing and planned investments;
• monitoring judicial election cycles and candidate profiles;
• evaluating insurance and political risk mitigation tools; and
• engaging in policy advocacy through trade associations and bilateral forums.

Legal strategies that previously relied on a technocratic, career-based judiciary will likely need recalibration as electoral cycles increasingly shape the composition and temperament of the bench.

Conclusion

Mexico’s judicial reform represents a structural break from traditional models of judicial governance. While its long-term outcomes remain uncertain, its immediate effect is clear – it introduces a new layer of complexity into the legal risk landscape.

For North American companies, the issue is not abstract. It goes directly to the enforceability of rights, the stability of investments and the credibility of dispute resolution mechanisms. As implementation continues through 2027, close monitoring and proactive legal strategy will be essential.