{
  "slug": "legal-contract-review-rag",
  "title": "AI legal assistant for first-pass MSA contract review",
  "outcome": "≈71% first-pass MSA review time saved (partner-signed-off)",
  "client": "Mid-market US law firm (anonymized)",
  "industry": "Legal",
  "sample_size": "n=180 MSAs",
  "ci": "95%",
  "timeline": "Multi-month, ongoing",
  "year": 2026,
  "stack": [
    "Anthropic Claude Sonnet 4.6",
    "LangChain 0.3",
    "LangGraph 0.2",
    "PostgreSQL pgvector 0.7",
    "BAAI bge-reranker-large",
    "Cohere Rerank (A/B alternative)",
    "Langfuse",
    "iManage Work"
  ],
  "compliance": [
    "Attorney-client privilege",
    "ABA Model Rules of Professional Conduct",
    "ABA Opinion 512 (UPL guidance for AI in legal)",
    "Federal Rule of Evidence 502"
  ],
  "canonical_url": "https://www.getwidget.dev/case-studies/legal-contract-review-rag/",
  "updated": "2026-05-14"
}