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Legal Tech10 min read
Claude for Legal Research: 12 Prompts That Beat Manual Search
Twelve Claude prompts for case-law research, legislation summarisation, and memo drafting. Singapore legal context throughout. PDPA-safe by default.
Why legal research is a perfect Claude task
Legal research is mostly structured retrieval and summarisation — locate the right authorities, extract their reasoning, apply to your facts. Claude excels at this kind of work when given clear constraints.
What Claude doesn't do well: novel issue spotting in unfamiliar areas, judgement calls on case-law strategy, or anything where Singapore-specific recent authority matters (Claude's training data is patchy on the latest SG cases).
The pattern that wins: use Claude to draft, then verify on LawNet or SingaporeLaw.sg, then refine. This compresses 4 hours of research into 90 minutes.
Three prompts for case-law research
1. Issue → authority surfacing. Use this when starting a new research question:
*"I am researching [legal issue, e.g. enforceability of liquidated damages clauses] under Singapore law. List the leading Singapore Court of Appeal and High Court authorities I should review. For each: case name, citation, year, the key principle, and one-sentence reason it's relevant. Do not invent citations — if you're uncertain, say 'verify on LawNet'."*
2. Case summary. Paste a judgment text:
*"Summarise this judgment in: (a) a one-sentence holding, (b) the procedural posture, (c) the key facts in 3 bullets, (d) the legal issue, (e) the court's reasoning in 5 bullets, (f) the disposition, (g) implications for similar matters. Quote the operative passages with paragraph references."*
3. Distinguishing analysis. When you need to argue around an unfavourable case:
*"Below is [unfavourable case]. Below that are facts of my matter. Identify three credible bases on which my matter can be distinguished. For each: the legal principle, the factual difference, and the strength of the distinction (strong / arguable / weak)."*
Three prompts for legislation work
4. Statute summarisation. *"Summarise [Act] for a junior associate: who it applies to, key obligations, key prohibitions, penalties, key exemptions. Cite the section number for each. Output as a structured one-pager."*
5. Cross-reference. *"My matter involves [scenario]. Identify which statutes apply (Singapore law). For each statute, the relevant section(s), the obligation/prohibition, and any safe harbour or exemption. List, do not analyse."*
6. Recent amendments check. *"List amendments to [Act] in the past 24 months. For each: amendment date, what changed, practical effect on existing arrangements. Note any that are not yet in force." Then verify against Singapore Statutes Online.*
Three prompts for memo drafting
7. Issue-Rule-Application-Conclusion (IRAC) draft. *"Draft a legal memo in IRAC structure on [issue]. Facts: [pasted facts, redacted]. Jurisdiction: Singapore. Provide: issue stated as a question, rule with cited authorities (mark unverified ones), application of rule to facts, conclusion with confidence level. 800–1,200 words."*
8. Counter-argument anticipation. *"For the conclusion in this draft memo, identify the three strongest counter-arguments and how I should respond to each. Be candid about which counter-arguments are strong."*
9. Risk-rated advice. *"Re-cast the conclusion as a partner-level risk-rated advice: traffic-light rating (green / amber / red) on each sub-question, plus a one-paragraph recommendation. Tone: confident but acknowledging where the law is unsettled."*
Three prompts for everyday legal work
10. Email draft. *"Draft an email to [counterparty type] communicating that [position]. Singapore commercial English, polite but firm, no boilerplate. ~150 words. Include a one-line subject."*
11. Comparison table. *"Compare [Position A] vs [Position B] on [criteria — e.g. enforceability, cost, time, risk, regulatory exposure]. Output as a table. Add a one-paragraph recommendation."*
12. Plain-language explainer. *"Explain [legal concept] to a non-lawyer SME founder in Singapore. Use plain English, avoid Latin where possible, and include one practical example. ~250 words."*
For more prompt patterns and a downloadable library, see The Singapore Prompt Library.
Pitfalls and what to do about them
Hallucinated citations. Always verify on LawNet. Build the verification into the workflow.
Outdated case law. Claude's training cutoff lags. For the latest position, run a parallel search and cross-check.
Over-confidence. Claude often presents tentative analysis as definitive. Re-prompt: "Identify the three weakest points in your reasoning above." Forces it to surface where it's reaching.
Style mismatch. Claude's default register can feel American. Add: "Use Singapore commercial English. No 'utilize'. No 'leverage' as a verb. No 'going forward'."
For the full PDPA framework, see PDPA-Safe Claude Prompts: A Lawyer's Checklist.
Next steps
For high-volume document review (e-discovery, due diligence batches), see AI E-Discovery in Singapore. For specific contract-review prompts, see AI Contract Review in Singapore.
OTG runs Claude training for Singapore law firms — half-day to two-day formats, partner-led or associate-led. Book a free 30-minute call to discuss the right format for your firm.
Frequently asked questions
Can Claude do legal research as well as a junior associate?
For first-pass extraction, structuring, and summarising — yes, often faster. For final memo drafting and judgement on legal strategy — no. Treat Claude as a research assistant whose output you verify, not a substitute for the lawyer's analysis.
How do I check Claude's case citations?
Always verify against [LawNet](https://www.lawnet.com.sg/) or [SingaporeLaw.sg](https://www.singaporelaw.sg/). Claude can hallucinate case names, citations, and even the holding. The fix is a 60-second verification step per citation — make it part of the workflow, not optional.
Is it PDPA-safe to use Claude for matter research?
If the research is hypothetical or based on public sources, yes. If you're pasting client facts, redact identifiers first. See [PDPA-Safe Claude Prompts](/resources/pdpa-safe-claude-prompts-lawyers).
Will Claude draft a legal memo?
It will draft a structured first pass — issue, rule, application, conclusion. The output is rarely ready to file but is often a solid 60–70% draft you can refine. Save 2–4 hours per memo.
Are there sector-specific legal research tools that beat Claude?
Harvey and Lexis+ have curated playbooks for litigation and corporate work that beat general-purpose Claude on standardised tasks. For bespoke matters and smaller firms, Claude wins on price-performance.
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