When the duty to preserve begins and how foreseeability is judged, the litigation hold and who must receive it, suspending automatic deletion, preserving messages on a device an employee owns, the preservation letter sent to an opponent, proportionality in what must be kept, the sanctions available when electronic evidence is lost, and the finding of intent that unlocks the severest of them.
The obligation to preserve evidence arises when litigation is reasonably anticipated rather than when a suit is filed. Federal Rule of Civil Procedure 37(e) presupposes that duty by asking whether information that should have been preserved was lost because reasonable steps were not taken. Anticipation is judged objectively on what an organization knew, and knowledge held by managers and counsel is generally attributed to the organization.
An electronic record carries system-generated attributes that establish when it was created, who handled it, and where it sat. Ordinary copying overwrites several of them. Forensic imaging captures a bit-level duplicate and verifies it with a hash value; targeted collection captures defined items with their metadata intact; self-collection by custodians is the least reliable and the most commonly criticized. A chain-of-custody record documents each transfer.
A hold ends when the matter that created it is over and no other obligation covers the same material. That requires checking for appeals, related proceedings, regulatory retention periods and other holds on the same custodians before anything is released. The release itself is a written instruction reversing the original, and the record of what was held, collected and released is retained after the material itself is disposed of.
Rule 37(e) applies only to electronically stored information. Loss of physical evidence is addressed under a federal court's inherent authority, where the older circuit standards survive and negligence can support measures that would be unavailable for electronic material. State courts run on their own law, which in some states includes a separate tort and in others only evidentiary inferences and discovery sanctions.
Rule 37(e)(2) permits a court to presume that lost information was unfavorable, to instruct a jury that it may or must so presume, or to dismiss the action or enter a default, but only on finding that the party acted with the intent to deprive another party of the information's use in the litigation. The rule rejects earlier decisions allowing an adverse-inference instruction on negligence or gross negligence, and requires no separate finding of prejudice.
Federal Rule of Civil Procedure 34 reaches material in a party's possession, custody, or control, which is the doorway through which employer obligations over an employee-owned phone are argued. Courts have divided between a legal right to obtain the data and a practical ability to obtain it. Written device policies, reimbursement arrangements and management software all shift the analysis, and collection raises privacy questions the rule does not resolve.
Federal Rule of Civil Procedure 37(e) applies where electronically stored information that should have been preserved is lost because a party failed to take reasonable steps, and it cannot be restored or replaced through additional discovery. On a finding of prejudice, a court may order measures no greater than necessary to cure it. The severest measures are available only on a separate finding of intent to deprive, and prejudice is not required for those.
The preservation duty is limited by relevance and proportionality rather than by volume. Rule 26(b)(1) confines discovery to matter proportional to the needs of the case, and Rule 26(b)(2)(B) allows a party to identify electronically stored information as not reasonably accessible because of undue burden or cost. The committee note to the sanctions rule states that reasonable steps suffice and that perfection is often impossible, but a party urging disproportion has to supply specifics.
Once a preservation duty attaches, automated destruction has to be interrupted at the system level. That means suspending retention policies, disabling disappearing-message timers, halting backup rotation for the relevant period, and stopping the reimaging of devices. The federal rule contains no separate immunity for routine system operation; routine operation is only one factor in deciding whether a party took reasonable steps to preserve.
A litigation hold is a written instruction suspending the ordinary destruction of records connected to an anticipated or pending matter. It identifies custodians, describes the subject matter, names the categories and systems involved, and directs recipients to stop deleting. Courts assess holds by the reasonableness of the steps taken rather than by any prescribed form, and follow-up with custodians carries as much weight as the original notice.
A preservation letter is a private demand, not process. It cannot order anyone to do anything, and a court will not sanction a recipient merely for ignoring one. What it does is establish notice: after a specific letter describing a dispute, a recipient cannot credibly say litigation was unforeseeable. Specificity is what gives the letter effect, and an unreasonably broad demand tends to weaken rather than strengthen the sender's position.
