Plain-English AI definitions for legal professionals. For what bars actually require, see the Legal AI Compliance Register.

Data residency

Risk and governance Last reviewed 2026-06-11

Definition Where data is physically stored and processed—which country's or region's servers hold it. Residency determines which jurisdictions' laws can reach the data and is a common requirement in client and regulatory commitments.

In more depth

Cloud AI services may process requests in data centers around the world unless the contract pins processing to a particular region, an option some providers offer. Residency matters for legal work because privacy statutes, cross-border transfer rules, and some client engagement terms restrict where matter data may go. Residency is distinct from retention: data can sit in the right country and still be kept longer, or used more broadly, than intended.

Related terms

About the editor: MHSB Solutions, Research desk. MHSB Solutions is not a law firm. This glossary is educational information, not legal advice.

Educational information, not legal advice. AI terminology and tools change quickly; definitions reflect usage as of the last-updated date. For what bar associations and courts actually require of lawyers using AI, see legalaicompliance.help and consult a licensed attorney in your jurisdiction.