A&O Shearman + Harvey AI
Allen & Overy (now A&O Shearman) became the first major law firm to deploy Harvey AI firm-wide. Harvey AI raised $150M in October 2025, valued at over $8B, backed by Sequoia, Kleiner Perkins, Google Ventures, and OpenAI.
Source: A&O Shearman Annual Innovation Report 2025; Harvey AI Series C announcement, Oct 2025