AI impact · verified capabilities
How AI is changing the work of Lawyers
For lawyers, the verified AI tools in our registry sit inside research, drafting and document review. They speed up finding authorities, first drafts and clause checks; legal judgement and responsibility to the client stay with the lawyer.
Last reviewed: 2026-09-27 · O*NET 23-1011.00 · Mapping confidence: medium
Where it touches the work
- Legal research: tools retrieve authorities and draft summarized answers with citations to verify.
- Briefs and memos: first drafts can be generated from research sources, then rewritten and argued by the lawyer.
- Contracts and due diligence: AI flags clauses and pulls key provisions from large document sets for focused review.
How AI is changing the work in practice
Draft, review, and revise legal documents
AI assistsAI tools can produce a first draft and flag issues or omissions in legal documents; the lawyer owns the final text.
Sources:O*NET OnLineLexisNexis
Research statutes, regulations, cases, and other legal authorities
AI assistsAI tools can search case law and legislation and prepare an initial research summary; the lawyer verifies every authority against the primary source.
Sources:O*NET OnLineThomson Reuters
Verified capabilities (up to 5)
- NowEvidence: Strong
AI-assisted legal research synthesis
What AI can assist with: Legal AI retrieves authorities, synthesizes answers, and can attach citations or verification aids, while lawyers remain responsible for checking legal propositions.
Practical meaning: this can speed up part of the task, but still needs human direction and review.
Human responsibility: you review every output and keep the final decision.
Source: Thomson Reuters - EmergingEvidence: Strong
Legal citation checking
What AI can assist with: Checks cited authorities and supporting citations in legal drafts.
Practical meaning: this can speed up part of the task, but still needs human direction and review.
Human responsibility: you review every output and keep the final decision.
Source: Thomson Reuters - EmergingEvidence: Strong
Grounded brief and memo drafting
What AI can assist with: Drafts legal memos and briefs grounded in legal research sources.
Practical meaning: this can speed up part of the task, but still needs human direction and review.
Human responsibility: you review every output and keep the final decision.
Source: Thomson Reuters - NowEvidence: Strong
AI-assisted contract clause review
What AI can assist with: Legal AI identifies, extracts, compares, or flags contract provisions and potential issues so lawyers can focus review on relevant clauses.
Practical meaning: this can speed up part of the task, but still needs human direction and review.
Human responsibility: you review every output and keep the final decision.
Source: Thomson Reuters - EmergingEvidence: Moderate
Due-diligence extraction
What AI can assist with: Pulls key provisions and possible risks from large document sets.
Practical meaning: this can speed up part of the task, but still needs human direction and review.
Human responsibility: you review every output and keep the final decision.
Source: Thomson Reuters
More source-verified AI capabilities
Additional reviewed research for this occupation. These do not replace the core capability list or prove real-world adoption.
Generative-AI e-discovery document review
CoCounsel Legal documents large-scale document review and analysis across complaints, discovery, filings, and contracts with source links.
Evidence: Limited
Practical meaning: a defined part of this workflow can be automated; judgement and exceptions remain human work.
Verified source
The AI tools entering the profession — and what’s coming next
Some are already available for work; others signal where the profession is heading. Inclusion does not imply broad adoption or proven outcomes.
Harvey
Available nowLegal AI platform for transactional work, including document review, due diligence, drafting, research, and transaction support.
Important: The current source mainly describes transactional legal work; performance and fit vary by documents, deal, and jurisdiction.
Source: HarveyLexis+ with Protégé
Available nowLexisNexis
Legal AI workspace for research, drafting, and analysis, with citation validation through Shepard’s and integration with organizational documents.
Important: Source coverage, features, and availability may vary by subscription and jurisdiction; model behavior can also differ by account.
Source: LexisNexisCoCounsel Legal
Available nowThomson Reuters
Legal AI platform for research, document analysis, and drafting, with workflows grounded in Westlaw and Practical Law.
Important: Source coverage, features, and availability may vary by subscription and jurisdiction; every result requires verification against the underlying legal authorities.
Source: Thomson Reuters
What remains human responsibility
Checking every citation, legal strategy, advice to the client, negotiation and court appearances remain the lawyer's professional responsibility.
Evidence limits
Each capability is verified from the cited source only. A source shows that a capability exists; it does not establish adoption, deployment depth or outcomes in any particular workplace.
Three practical ways to adapt
- Run one closed research question through a legal AI tool and verify every citation it returns.
- Compare an AI clause review with a manual review on one past, non-sensitive contract.
- Write a short checklist for what must be verified before any AI draft leaves the office.
Short answers
- Can AI write a brief on its own?
- The verified tools produce drafts grounded in research sources. A lawyer still has to check the law, the citations and the argument.
- Where does it help most in daily work?
- In locating authorities, reviewing contract clauses and sorting large document sets.
Sources
- Thomson Reuters — CoCounsel Legal — June 2026 Releases
- arXiv / Stanford researchers — Hallucination-Free? Assessing the Reliability of Leading AI Legal Research Tools
- Thomson Reuters — Draft legal briefs with AI grounded in Westlaw authority
- Thomson Reuters — AI for drafting, review, and analysis with CoCounsel Legal
- arXiv — Better Call GPT, Comparing Large Language Models Against Lawyers
- Thomson Reuters — AI-powered legal due diligence with CoCounsel Legal
- Thomson Reuters — Generative-AI e-discovery document review
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