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Claude for lawyers: making it work like a solicitor

Claude is one of the most capable AI assistants for legal work — but out of the box it's a blank box. Here's how solicitors get genuinely useful, verifiable output from it.

By Steven Mather, solicitor · Reviewed for accuracy against the SRA framework and Ayinde v Haringey [2025] EWHC 1383 (Admin)
In short

Claude, made by Anthropic, has become a tool of choice for a lot of legal work — partly because it handles long documents and detailed instructions well, and partly because it tends to reason carefully rather than just produce plausible-sounding text. For solicitors, that makes it a strong fit for drafting and review. But the model alone is only half the story.

What Claude is good at for legal work

In day-to-day practice, Claude is most useful for the same structured, document-grounded tasks that suit AI generally — drafting from a precedent, reviewing a counterparty's contract against your positions, turning a transcript into an attendance note, explaining a document to a client in plain English. Its larger context window means you can give it a full agreement and a precedent together and have it work across both.

The same caution applies

Capability is not infallibility. Claude, like every large language model, can still state something untrue with complete confidence — including inventing authority. The Ayinde duty applies whichever model you use: check AI-assisted research against authoritative sources before you rely on it. A capable model lowers the error rate; it does not remove your obligation to verify.

Skills: making Claude work like you

This is where Claude pulls ahead for legal use. A skill is a small add-on you install into Claude — think of it as adding an app to your phone. Once installed, it changes how Claude behaves for a given task: it follows a defined process, uses your house style, takes your usual positions, and applies a consistent verification standard.

Instead of re-explaining what a good contract review looks like every time, you install a Contract Reviewer skill once, and Claude produces the same structured, risk-rated review on demand. Anthropic released a set of legal skills for the US market; The Lawyer's Prompt provides a set built for England & Wales, for the everyday work of small and commercial firms.

The Lawyer's Prompt — book + 15 Claude skills

Everything in this guide, built into tools you install once. Solicitor-trained skills that draft, review and verify to your house style, with the Ayinde discipline built in — and the book that explains the standard behind them.

See what's included — £99 →

Claude or ChatGPT?

Both can do legal work; they have different strengths. We compare them directly in ChatGPT vs Claude for legal work. The short version: the skills in The Lawyer's Prompt are built for Claude, where they run best, but the underlying principles — and the prompts in the book — apply to either.

For the wider picture, start with AI for solicitors, or go straight to how to verify AI output.

Use AI properly. Then get on with the work.

The book to learn it, the skills to do it — drafting and review in your own house style, with nothing going out you haven't checked.

Get The Lawyer's Prompt — £99