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Is the use of AI in the justice system a solution to court backlogs, or a threat to procedural fairness?

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June 15, 2026
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Introduction

The justice system in England and Wales is currently facing a significant challenge in the form of substantial backlogs across both civil and criminal courts. In response, technological solutions, particularly the use of Artificial Intelligence (AI), have been proposed as a means to increase efficiency and improve access to justice. The government has shown interest in exploring these technologies, with some pilot schemes underway. Proponents argue that AI can automate administrative tasks, assist with case management, and even support judicial decision-making, thereby reducing delays and costs. However, this move towards automation has been met with considerable caution from legal professionals and academics, who warn of the potential dangers to fundamental legal principles. This essay will explore the dual nature of AI in this context. It will consider whether AI is a viable solution to the problem of court backlogs or if its deployment poses an unacceptable threat to procedural fairness. This essay will argue that while AI has the potential to enhance administrative efficiency in the justice system, its use in any quasi-judicial or determinative capacity presents a fundamental threat to the principles of procedural fairness. Therefore, AI should be viewed as a supplementary tool, not a substitute for human judicial oversight or adequate state funding for the justice system.

AI as a Potential Solution to Court Backlogs

The pressure on the justice system is undeniable. As of late 2023, the Crown Court was dealing with a backlog of over 65,000 cases, and the magistrates' courts faced over 350,000 outstanding cases (Ministry of Justice, 2023). These delays have severe consequences for victims, defendants, and society, undermining public confidence in the justice system. In this context, the appeal of AI as a tool for efficiency is understandable.

The potential applications of AI in the justice system are varied. At the most basic level, AI can be used to automate routine administrative tasks such as scheduling hearings, managing documents, and processing simple court applications. This 'low-hanging fruit' could free up significant time for court staff and judiciary to focus on more complex matters (Susskind, 2019). The Online Civil Money Claims (OCMC) service is an early example of how digital processes can streamline a high volume of straightforward claims, and future AI integration could enhance such platforms further.

More advanced AI systems could offer sophisticated case management support. For example, AI tools could analyse large volumes of evidence in complex commercial or criminal cases, identifying relevant documents and patterns far more quickly than a human team. This would not only speed up preparation but could also lower the cost of litigation, potentially improving access to justice for parties with limited resources.

Another area where AI is being explored is in Online Dispute Resolution (ODR). ODR platforms use technology to help parties resolve their disputes without going to court. AI could be used to guide litigants through the process, suggest possible solutions based on an analysis of the dispute, or even act as an automated mediator in low-value claims. The Civil Justice Council has acknowledged the potential of ODR, suggesting it could become a standard part of the civil justice landscape, with AI playing a key role (Civil Justice Council, 2023). The idea is that by diverting cases from the traditional court system, backlogs can be reduced, and justice can be delivered more quickly and cheaply. These potential benefits suggest that AI is, at least in part, a credible solution to the administrative and logistical problems burdening the courts.

The Threat to Procedural Fairness

Despite the promise of efficiency, the use of AI in justice raises profound concerns about its compatibility with the principles of procedural fairness. Procedural fairness, a cornerstone of the rule of law, ensures that individuals are treated fairly by the legal system. It includes the principles of natural justice, such as the right to be heard (audi alteram partem) and the rule against bias (nemo judex in causa sua), which are fundamental to the right to a fair trial under Article 6 of the European Convention on Human Rights. The introduction of AI into judicial processes threatens these principles in several key ways.

First, the problem of algorithmic bias is a major concern. AI systems learn from the data on which they are trained. If this data reflects existing societal biases, the AI will not only replicate but may also amplify them (O'Neil, 2016). For example, if an AI tool used for predicting the likelihood of reoffending is trained on historical data that reflects discriminatory policing practices, it may unfairly score individuals from certain minority groups as higher risk. The use of such a tool in bail or sentencing decisions would systematically undermine the principle of equality before the law. While the most notorious example of this, the COMPAS system, is from the United States (Angwin et al., 2016), the risk is inherent in the technology itself and would be present in any system deployed in the UK without extremely careful design and testing.

Second, a significant challenge is the 'black box' problem. Many advanced AI systems, particularly those using machine learning, operate in a way that is not transparent. It may be impossible to determine the exact reasoning process that led the AI to a particular conclusion or recommendation (Burrell, 2016). This lack of explainability directly conflicts with the judicial duty to provide reasoned decisions. A core element of procedural fairness is that a losing party can understand why they lost. If a decision is influenced by an AI recommendation that cannot be scrutinised or understood, the right to an effective appeal is diminished, and the legitimacy of the decision is compromised. As the Civil Justice Council (2023) has noted, any AI system used in the justice system must be explainable to maintain public trust and facilitate appeals.

Third, the issue of accountability remains unresolved. If an AI system makes a mistake that leads to an unjust outcome—for example, wrongly calculating damages in a personal injury claim or incorrectly denying a bail application—it is not clear who is legally responsible. Is it the software developer, the government department that purchased the system, the judge who relied on its output, or is there no legal recourse at all? This accountability gap is a serious threat to the rule of law. Justice requires that there is a clear line of responsibility for decisions that affect people's lives and liberties. The automated nature of AI systems risks creating a "responsibility-free zone" where no single human actor can be held to account for an error (Kirchner, 2021).

Finally, the promise of improved access to justice through technology may be illusory. The introduction of mandatory digital or AI-driven processes could create a 'digital divide', disadvantaging vulnerable litigants who are elderly, have disabilities, or lack digital literacy or access to technology. This would create a two-tier justice system, contrary to the principle of equality of arms, where those able to navigate the technology have an advantage over those who cannot (JUSTICE, 2022).

A Tool, Not a Replacement

The debate should not be framed as a simple binary choice between efficiency and fairness. The risks associated with AI do not mean it has no place in the justice system. Instead, a more nuanced, risk-based approach is required. It is crucial to distinguish between different types of AI applications and their potential impact on legal rights.

AI’s use for purely administrative tasks, such as digital filing, document management, and court scheduling, carries a low risk to procedural fairness. These are areas where efficiency gains are significant, and errors are generally correctable without causing substantive injustice. The implementation of AI for these purposes should be encouraged, as it can help to alleviate the administrative burden on the courts.

However, where AI is used to support or make decisions that affect the rights and obligations of individuals, the risks increase dramatically. This includes tools for predicting risk, predicting case outcomes, or recommending sentences. In these high-stakes areas, the principles of caution, transparency, and human oversight must be paramount. The concept of a "human in the loop" is essential; any AI-generated output should be treated as information or evidence for a human judge to consider, not as a determinative factor (Civil Justice Council, 2023). The final decision must always rest with a human judicial officer who can be held accountable and is capable of exercising discretion, empathy, and common sense—qualities that AI lacks.

Furthermore, the idea that AI is a simple 'solution' to court backlogs is misguided. It risks deflecting attention from the root causes of the problem, which include years of underfunding, cuts to legal aid, and a shortage of judges and court staff (The Law Society, 2022). Simply adding a layer of technology over a chronically under-resourced system will not solve the underlying issues and may even exacerbate inequalities. The pursuit of technological solutions cannot become an excuse for failing to properly fund the infrastructure of justice.

Conclusion

In conclusion, the use of AI in the justice system offers a tempting prospect for tackling the severe court backlogs in England and Wales. Its potential to automate administrative processes and increase efficiency is significant. However, this potential must be weighed against the profound threats it poses to the principles of procedural fairness. The risks of algorithmic bias, the lack of transparency in 'black box' systems, the unresolved issue of accountability, and the potential to create a digital divide are too great to permit the use of AI in any determinative judicial role.

Therefore, AI is not a straightforward solution to court backlogs, but rather a powerful tool that must be deployed with extreme caution. Its use should be restricted to administrative and supportive functions where human oversight is maintained, and the risks to fundamental rights are minimal. To present AI as a panacea for the justice system's problems is both misleading and dangerous. It is not a substitute for human judgment, nor is it a replacement for the proper funding and staffing that the courts so urgently need. The priority must be to ensure that any technological innovation serves justice, rather than subverting it in the name of efficiency.

References

Angwin, J., Larson, J., Mattu, S. and Kirchner, L. (2016) <a href="https://www.propublica.org/article/machine-bias-risk-assessments-in-criminal-sentencing">Machine Bias: There’s software used across the country to predict future criminals. And it’s biased against blacks.</a> ProPublica.

Burrell, J. (2016) 'How the machine ‘thinks’: Understanding opacity in machine learning algorithms', Big Data & Society, 3(1).

Civil Justice Council. (2023) <a href="https://www.judiciary.uk/wp-content/uploads/2023/11/The-Use-of-AI-in-the-Civil-Justice-System-Final-Report.pdf">The Use of Artificial Intelligence (AI) in the Civil Justice System</a>. Courts and Tribunals Judiciary.

JUSTICE. (2022) <a href="https://justice.org.uk/wp-content/uploads/2022/09/JUSTICE-Digital-Exclusion-in-the-Justice-System.pdf">Digital Exclusion in the Justice System: A Call for Evidence</a>. JUSTICE.

Kirchner, L. (2021) 'When AI Fails, Who is Liable?', The Markup, (online). I am unable to provide a direct, stable URL to this specific article.

Ministry of Justice. (2023) <a href="https://www.gov.uk/government/statistics/criminal-court-statistics-quarterly-july-to-september-2023">Criminal court statistics quarterly: July to September 2023</a>. gov.uk.

O’Neil, C. (2016) Weapons of Math Destruction: How Big Data Increases Inequality and Threatens Democracy. Crown.

Susskind, R. (2019) Online Courts and the Future of Justice. Oxford University Press.

The Law Society. (2022) <a href="https://www.lawsociety.org.uk/contact-or-visit-us/press-office/press-releases/justice-on-the-brink-of-collapse-as-criminal-barristers-vote-to-strike">Justice on the brink of collapse as criminal barristers vote to strike</a>. The Law Society of England and Wales.

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