| name | preservation-letter |
| title | Preservation Letter |
| description | Drafts litigation hold and document preservation letters under FRCP 37(e) and state equivalents. Covers custodian identification, ESI scope, hold implementation, and spoliation warnings. Use when sending preservation notices, litigation hold letters, spoliation notices, or evidence preservation demands. |
| author | CaseMark |
| author_url | https://github.com/CaseMark/skills/tree/main/skills/legal/preservation-letter |
| license | Apache-2.0 |
| version | 0.1.0 |
| execution_mode | open |
| jurisdiction | us |
| practice | litigation |
| language | en |
Preservation Letter
Drafts a formal preservation notice establishing the opposing party's duty to preserve evidence, tailored to the matter's custodians, data sources, and time period.
Prerequisites
Gather before drafting:
- Case identification — parties, caption/docket (if filed), or anticipated claims
- Key facts — relevant dates, transactions, events establishing the dispute
- Known custodians — individuals likely possessing relevant information
- Data sources — IT systems, communication platforms, cloud services, retention policies
- Temporal scope — preservation start date through present
Quick Start
Format as formal business correspondence: letterhead, date, recipient block (name/title/org/address), re-line with matter description.
Required Sections
| Section | Content |
|---|
| Opening Notice | Counsel, client, dispute nature. If filed: caption, court, docket. If pre-suit: state client reasonably anticipates litigation. Cite FRCP 37(e) or state equivalent. |
| Matter Description | Factual context sufficient for recipient to identify custodians and sources. Do not disclose litigation strategy. |
| Preservation Scope | Categorized instructions per scope table below |
| Implementation Instructions | Litigation hold procedures per checklist below |
| Spoliation Consequences | Legal consequences of non-compliance |
| Response Requirements | Written acknowledgment deadline (5–10 business days), hold confirmation, contact info |
| Closing | Formal closing, signature block with bar admissions |
Preservation Scope Categories
Include only categories applicable to the dispute:
| Category | Examples |
|---|
| Paper | Contracts, memoranda, notes, financials, invoices, drafts |
| Electronic comms | Email, texts, IMs, social media, voicemails — all platforms/devices including personal if used for business |