AI in the legal industry is transforming research, document review, contract analysis, and drafting. Legal-specific platforms such as Harvey and CoCounsel from Thomson Reuters, and contract tools such as Ironclad and Spellbook, are widely adopted by firms and in-house teams. The professional duties remain: lawyers must protect confidentiality, verify every citation and conclusion, and supervise AI like any other assistant.
Part of AI by Industry. Last updated September 2026. General information, not legal advice.
Common AI Uses in Legal Practice
| Use | What AI Does | Lawyer’s Duty |
|---|---|---|
| Legal research | Finds and summarizes relevant authority | Verify every citation exists and says what is claimed |
| Document review | Classifies and summarizes large document sets | Supervise and sample-check |
| Contract analysis | Extracts terms and flags risks | Legal judgment on risk |
| Drafting | First drafts of clauses, letters, and memos | Review and take responsibility |
| Practice admin | Intake, billing narratives, and client updates | Accuracy and confidentiality |
Professional Responsibilities
- Verify citations. Courts have sanctioned lawyers for filing briefs with AI-fabricated cases.
- Confidentiality: use legal-grade tools with clear data terms; avoid consumer AI for client matters.
- Competence and supervision: bar guidance in many jurisdictions expects lawyers to understand the tools they use.
- Client communication: consider whether to disclose AI use and how it affects billing.
- Court rules: some courts require disclosure of AI use in filings.
Tools
See Best AI Legal Tools, covering Harvey, CoCounsel (formerly Casetext), Ironclad, and Spellbook.
Frequently Asked Questions
Can lawyers use ChatGPT?
For general drafting and learning, with care. For client matters, use tools with appropriate confidentiality protections and always verify output.
What is the best AI for legal research?
Legal-specific platforms such as CoCounsel and Harvey, which are built on legal content and designed for professional use.
Can AI replace lawyers?
AI automates research and drafting tasks, but legal judgment, advocacy, and professional responsibility remain with lawyers.