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    4 battle-tested prompts

    Best Claude Prompts for Long-Document Analysis (1970)

    Claude is the best tool in the world for long documents. These prompts use its 200K context window to do real analytical work — not just summarize.

    For: Lawyers, analysts, researchers, and PMs

    Compare two long documents clause by clause
    Extract structured data from messy PDFs
    Build issue trees from depositions or transcripts
    Audit a research paper's claims against its data

    The prompts — copy, paste, ship

    Replace anything in [brackets] with your details and hit send.

    1. Two-Document Diff

    Clause-level changes with risk flags.

    Compare Document A (attached) and Document B (attached). Output a table: section, change, risk-to-us (low/med/high), suggested redline. Focus on liability, IP, termination, payment.

    2. Structured Extraction

    PDF → clean JSON.

    Extract from this document into JSON with this schema:
[paste schema]
If a field is missing, return null. Do not infer values. List any ambiguous extractions in a separate notes array.

    3. Issue Tree from Transcript

    Hours of audio → 1 page of insight.

    Read this interview transcript. Build an issue tree of every concern the customer raised — root, sub-themes, exact quotes, frequency. Then rank by go-to-market impact.

    4. Claim Auditor

    Does the data back the conclusion?

    This research paper makes [claim] in section [X]. Find every datapoint in the paper that supports OR contradicts the claim. Output as: claim, supporting evidence (with section), contradicting evidence (with section), verdict.
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    250+ attorney-tested prompts for contracts, briefs, case research, and client comms. Cut document drafting time by 70%. Used by 47,000+ legal pros.

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