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Z Law Legal Database Search

Professional Updated 2026.08.30

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About this skill

Problem

Legal research often fails when judgment sources are fragmented, statute versions are mixed, or cases lack verifiable case numbers. For litigation teams, an unverified citation can make a retrieval report unusable. Z Law focuses on verifiable legal materials rather than general legal Q&A.

How It Works

The skill organizes WebSearch, WebFetch, and cross-source validation around four workstreams:
- Judgment search: prioritizes exact case-number lookup, filetype:pdf judgments, court libraries, and official lawyer or court platforms.
- Statute search: targets statute sites, court gazettes, and administrative rule repositories.
- Typical cases: pulls Supreme People's Court and Supreme People's Procuratorate case pages for summaries and typical significance.
- Reliability ranking: tiers channels by case-number availability, completeness, and official authority; T0 and T1 sources are preferred for report text, while low-quality sources are used only as leads.

Boundaries

Use it for tasks like retrieving case law, statutes, and typical cases, then producing a source-labeled retrieval summary. It is not the best fit for pure doctrinal explanations or full legal-writing workflows. Final outputs should still require complete case numbers, official source URLs, and clear provenance.

Use Cases

  • When advising a criminal appeal, find similar judgments, extract full case numbers and holdings.
  • When reviewing contract disputes, locate the relevant statutory text, judicial interpretation, and issuing authority.
  • When preparing pre-litigation mediation materials, collect SPC or SPP typical cases with cited sources.
  • When verifying a similar-case memo, cross-check case numbers, regulation numbers, and court details from two sources.

Best For

  • Litigation counsel: need verifiable case citations for pleadings, appeals, and advisory memos.
  • In-house counsel: need to verify statutory text and judicial interpretations for contracts, labor, or data compliance.
  • Litigation researchers: need to produce similar-case summaries with sources and full case numbers.
  • Compliance or risk analysts: need official statutes and typical cases to support business-risk analysis.