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ARTICLE · 21 SEPTEMBER 2026

AI-first Discovery: Putting Human Judgement Where It Matters

Generative AI is transforming legal discovery by enabling machine-first, human-verified workflows that promise unprecedented speed and efficiency. However, the real challenge lies not in the technology's capability to process vast volumes of data, but in strategically deploying senior legal expertise to ensure reviews remain both defensible and valuable.

United KingdomTechnology

AI is increasingly being used to carry much of the volume in discovery. But value is a different story: it’s won or lost in how senior expertise is used to keep review both lean and defensible. 

As soon as generative AI (GenAI) tools entered legal workflows, discovery stood out as one of the clearest use cases for AI—and with good reason. Earlier advances, from basic keyword lists through TAR and continuous active learning, helped with search and scale, but left most of the underlying work untouched. GenAI is a genuine step-change. It moves beyond incremental efficiency gains to a machine-first, human-verified model that can operate as the default in even the most data-intensive cases. 

Cutting down review time is the easy part—the real test is whether human judgment is brought to bear where it counts.

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