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Memory for legal AI.

Keep matter memory current while preserving source versions, privilege boundaries, policy, tools, and review.

$ mem.recall_at(matter="m-4471", query="liability cap", as_of="2025-03-01")
# → "$2M" (the cap in force then, before the amendment)

$ path(from="attorney:jdoe", to="party:acme")
# → conflict (reachable via a former-client edge)

Proof points

Walls, cutoffs, custody.

Matter-level barriers

Matter walls enforced at the database layer via row-level security, not application checks a bug can bypass.

Privilege-date reconstruction

recall_at for privilege cutoff and production-date reconstruction.

Chain of custody

Tamper-evident audit trail for every access and change.

Conflict-of-interest paths

Reachability from attorney to adverse party through the relationship graph.

Matter destruction

Crypto-shred keyed by matter or client, with custody-preserving erasure.

Legal adapter

Matter, jurisdiction, claim type, party, privilege date, and document-type normalization.

See it: as-of recall

Recall access by date.

A first production boundary

Start with one matter workflow that carries real review risk.

Map the source documents, matter and privilege scope, model output, policy checks, reviewer, and downstream work product. Then test whether the original evidence boundary survives amendments, new productions, team changes, and later investigation.

Connector priorities

Where the documents live.

iManage, NetDocuments, Relativity, Clio, SharePoint, Box, Microsoft Purview, and eDiscovery exports.

Barrier & encryption model →

Lians provides technical evidence and access controls. It does not determine privilege, provide legal advice, or make a deployment compliant by installation.

Test one workflow.

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