Allen & Overy AI case studies

Browse 5 documented AI legal implementations at Allen & Overy. These source-extracted records passed the automated evidence gate; that is not independent fact verification.

Law Firms · Enterprise · 5 AI implementations

Allen & Overy has 5 documented AI legal implementations covering workflows including Legal Operations & Matter Management, Legal Research & Case Law and technology including Large Language Models & Generative AI. The records below separate source-reported results from evidence the source did not provide.

Last updated: Jul 28, 2026
Maintained by: Peter KorpakLead Editor
Methodology: How evidence is checked

Case Studies

Use Case Types

Technologies

AI implementations at Allen & Overy

Allen & Overy

Allen & Overy becomes first law firm to deploy enterprise-wide generative AI via Harvey

Law FirmsLegal Operations & Matter ManagementLarge Language Models & Generative AI

Reported result:: 3,500+ Lawyers with AI Access
Deployment timeframe:: Not reported by source
Technology:: Large Language Models & Generative AI
Vendor:: Harvey AI

Cited source: www.barandbench.comSource link checked Jul 28, 2026Automated evidence gate passed

Allen & Overy

Allen & Overy deploys Harvey AI firmwide across 3,500 lawyers in 43 offices

Law FirmsLegal Research & Case LawLarge Language Models & Generative AI

Reported result:: 3,500 across 43 offices Lawyers Using Harvey
Deployment timeframe:: Not reported by source
Technology:: Large Language Models & Generative AI
Vendor:: Harvey AI

Cited source: www.legal.ioSource link checked Jul 28, 2026Automated evidence gate passed

Allen & Overy

Allen & Overy's 3,500 lawyers put Harvey AI to work, asking 40,000 questions in trial

Law FirmsLegal Research & Case LawLarge Language Models & Generative AI

Reported result:: 3,500+ Lawyers Using Harvey
Deployment timeframe:: Not reported by source
Technology:: Large Language Models & Generative AI
Vendor:: Not available in record

Cited source: www.legalfutures.co.ukSource published Feb 16, 2023Source link checked Jul 28, 2026Automated evidence gate passed

Allen & Overy

A&O Shearman saves 2-3 hours per week per staff member with Harvey AI enterprise deployment

Law FirmsLegal Operations & Matter ManagementLarge Language Models & Generative AI

Reported result:: 2–3 hours per week Time Saved Per Staff Member
Deployment timeframe:: Not reported by source
Technology:: Large Language Models & Generative AI
Vendor:: Not available in record

Cited source: www.legalsupportnetwork.co.ukSource link checked Jul 28, 2026Automated evidence gate passed

Allen & Overy

Allen & Overy deploys Harvey AI across 43 offices for 4,000+ lawyers

Law FirmsLegal Research & Case LawLarge Language Models & Generative AI

Reported result:: 4,000+ Lawyers Using AI
Deployment timeframe:: Not reported by source
Technology:: Large Language Models & Generative AI
Vendor:: Harvey AI

Cited source: Harvey AISource link checked Jul 28, 2026Automated evidence gate passed

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