AI for Lawyers
Where it earns its place in practice, and where it has already got lawyers sanctioned.
Legal work is unusually well suited to language models and unusually unforgiving of their failure mode. Both things are true at once, and most of the writing on this topic picks one. This page is an attempt at the whole picture.
Where it genuinely saves time
First-pass document review, contract abstraction against a known playbook, summarising a long record, drafting from the firm's own precedent, and finding what the firm already knows. In each case the model is compressing reading, which is the bulk of the billable work clients most resent paying for.
The common thread is that a lawyer verifies output against a source. Where that verification step exists and is cheap, the tool works well.
Where it has already caused real harm
Citations. Multiple courts have sanctioned lawyers for filings containing cases that do not exist. This is not a rare failure or an early-model problem. A general-purpose model asked for supporting authority will produce plausible, correctly formatted, entirely fictitious citations, because producing plausible text is what it does.
The fix is architectural rather than behavioural. Generated citations must be resolved against a real database before a human sees them, and anything unresolvable removed and flagged. Instructing a model not to hallucinate is not a control.
What the ethics rules require first
Model Rule 1.6 makes client information confidential, and disclosing it to a third party generally requires informed consent unless it falls within the implied authorisation to carry out the representation. Whether pasting a client document into a public AI service falls inside that authorisation is a question most firms would rather not have to answer.
Running the model on the firm's own infrastructure avoids the question. That is the main reason firms handling sensitive matters end up self-hosting, ahead of any cost consideration.
Rule 1.1 comment 8 adds a competence dimension: you are expected to understand the benefits and risks of the technology you use. A firm that cannot explain how its tool reaches an output has a competence issue, not just a procurement one.
A sensible order to adopt in
Start where verification is cheapest and exposure is lowest, and move outward as the firm builds judgement about where the tool is reliable.
- Internal knowledge retrieval across closed matters, with matter-level access control enforced at retrieval
- Contract review against the firm's own playbook
- Discovery triage, with confidence-based routing to human review
- Drafting from firm precedent, with every clause traceable to its source document
- Anything citing external authority, only with automated citation resolution in the pipeline
Related
Common questions
Will AI replace lawyers?
It replaces reading, not judgement. The work most exposed is the high-volume review that juniors do and clients increasingly refuse to pay for, which was already under pressure. That is a real change to how firms train and bill, and it is a different claim from the one usually made.
Is it safe to use ChatGPT for legal research?
Not for authority, without a resolution step. It will produce citations that do not exist, in correct format, with confidence. Purpose-built legal research tools ground answers in a real database, which is the distinction that matters.
Do we have to tell clients we use AI?
It depends on your jurisdiction, your engagement terms and whether client information is disclosed to a third party. Several bars have issued guidance and it is not uniform. Worth resolving with your ethics committee before deployment rather than after.
Can we bill for AI-assisted work?
Fees must be reasonable, and a task that took three minutes cannot be billed as three hours. Firms are handling this differently and the reasonableness constraint is the fixed point. It is worth deciding deliberately rather than letting it happen.
Find out what this looks like for your organisation
A 30-minute call. We will tell you plainly whether AI is the right tool for the problem you have, including when it is not.
Book a free consultation