The conversation about artificial intelligence in law often starts with a fear: that machines will replace lawyers. In practice, the more useful question is narrower and more practical, how can AI help legal professionals in England and Wales work faster, more accurately, and with less risk? Used well, AI is less a replacement for professional judgement than a tool that sharpens it.
What AI does well in legal research
Modern AI tools can take much of the heavy lifting out of research:
- Finding the relevant law faster. AI can search large volumes of cases, legislation and commentary and surface the most relevant material in seconds rather than hours.
- Summarising long documents. Lengthy judgments, contracts or bundles can be condensed into readable summaries, helping a lawyer get oriented quickly.
- First drafts. AI can produce a first draft of a research note, clause or letter that a lawyer then refines, turning a blank page into an editing task.
- Document review and due diligence. In transactions or disputes, AI can flag unusual clauses, missing terms or inconsistencies across hundreds of documents.
The common thread is speed and coverage: AI helps you look in more places, more quickly, and spot patterns a tired human eye might miss.
The cautions that matter
AI's confidence is not the same as accuracy, and in law the cost of an error is high.
- Verify everything. Generative AI can "hallucinate", producing plausible-looking case names, citations or quotations that do not exist. Courts in England and Wales have warned about fabricated citations finding their way into submissions. Every authority an AI suggests must be checked against a reliable source before you rely on it.
- Professional duties still apply. A solicitor's duties of competence and to act in the client's best interests do not change because a tool was involved. The lawyer, not the software, is responsible for the work product.
- Confidentiality and data protection. Putting client information into an AI tool may disclose personal or confidential data. Before using any tool, check where the data goes, whether it is used to train the model, and whether that use is compatible with your confidentiality obligations and the UK GDPR.
- Judgement cannot be outsourced. AI can tell you what the cases say; it cannot weigh them for a particular client's situation, assess litigation risk, or make the strategic calls that define good lawyering.
Using AI responsibly in a firm
A sensible approach treats AI as a junior assistant whose work is always checked:
- Choose tools designed for legal use, with clear information on data handling and sourcing.
- Keep a human in the loop, a qualified person reviews and takes responsibility for the output.
- Train staff on the tools' limits, especially the risk of fabricated citations.
- Record where AI has been used, so its contribution can be checked and explained.
Key takeaways
- AI is a powerful research accelerator: faster searches, quick summaries and useful first drafts.
- It does not replace professional judgement, and the lawyer remains responsible for the result.
- Always verify AI-generated authorities, hallucinated citations are a real and recognised risk.
- Mind confidentiality and data protection before putting client information into any tool.
Sources
- Professional conduct duties of solicitors (competence and acting in the client's best interests)
- UK GDPR and Data Protection Act 2018 (handling personal data in AI tools)
- Judicial guidance and warnings on the use of generative AI in litigation
--- This article is general information about the law of England & Wales as at 2026, not legal advice. For advice on your circumstances, consult a qualified solicitor.