Skip to content
Market Tracked raises in 2026$3.41B+$183M this week Rounds76 LatestBlue J$176M Series E Tuesday, November 10
Litigation and Discovery

What Is Continuous Active Learning?

A form of technology-assisted review, sometimes called TAR 2.0, in which the model keeps learning from every reviewer decision and continually re-ranks the remaining documents.

Legal Tech GlossaryBy The Circle Desk

Why It Matters

CAL is now the default approach in most review platforms. It needs less upfront training than earlier TAR and adapts as the understanding of a case develops.

Litigation & eDiscovery Companies

See every Litigation & eDiscovery company

Related Terms

TAR (technology-assisted review)
Using machine learning to rank or classify documents for review in eDiscovery, so people review the most likely relevant documents first or not at all.
Predictive coding
An earlier name for technology-assisted review, where a model trained on attorney-coded samples predicts the relevance of the remaining documents.

General information, not legal advice. Part of the Legal Tech Glossary, 173 terms in plain English.