The Legal AI Index
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US firm

Mayer Brown

Multi-platform deployment (Harvey + Copilot) with a firmwide GenAI training curriculum rolling out across 1,800 lawyers globally.

Platforms in use
HarveyMicrosoft Copilot
Proprietary tools and programmes
  • GenAI training curriculum

    Comprehensive firmwide programme launched April 2026. Foundational AI training tailored to user needs (responsible use, citation checking, data security), available technology training, scenario-based practice-area training, and leadership training for partners. Rolling out to ~1,800 lawyers globally throughout 2026.

  • Governance-as-a-service

    Distinctive client-facing model combining cross-disciplinary task force, regulatory expertise and high-stakes industry focus.

What is happening
  • ·Harvey + Microsoft Copilot deployed; mandatory human review of all GenAI outputs.
  • ·Use cases: accessing 100% of firm experiences for new client drafts, prior agreement insight extraction, document analysis, rapid translation, first-draft generation.
  • ·Firmwide GenAI curriculum launch April 2026 frames AI capability as core competency rather than specialist domain.
Sources