Claude Prompt: Pre-Litigation Demand Letter + IP Cease & Desist
Two-in-one demand letter prompt: a pre-litigation demand and an IP cease and desist. Firm, factual, and written like a judge will read it someday.
The Prompt
Variables (11)
| Variable | Description | Example |
|---|---|---|
| {{client_name}} | Client Name | Acme Corp. |
| {{recipient_name}} | Recipient Name or Company | John Doe |
| {{underlying_dispute}} | Underlying Dispute | Unpaid invoice |
| {{key_dates_and_events}} | Key Dates and Events | 2025-08-12... |
| {{damages_or_harm}} | Damages or Harm Suffered | $45,000 loss |
| {{primary_claims}} | Primary Legal Claims | Breach |
| {{applicable_law}} | Applicable Law / Jurisdiction | California |
| {{ip_type}} | IP Type (if cease and desist) | trademark |
| {{registration_numbers}} | Registration Numbers (if applicable) | Reg. 5,432,109 |
| {{infringing_conduct}} | Infringing Conduct | Sells fakes |
| {{deadline}} | Response Deadline | 30 days |
Expected Output
A judge-ready demand letter (or IP cease and desist variant) with facts, legal basis, demanded relief, deadline, and reservation of rights.
Usage Notes
Best run on Claude Sonnet 4.5+ for tone control. Always verify statutory citations in Westlaw or LexisNexis before sending — Claude can occasionally cite plausible-sounding but incorrect provisions. For IP cease-and-desists, confirm the exact registration number and class with the USPTO.
Originally featured in: Claude AI for Lawyers: Best Prompts, Use Cases & Tips (2026)
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