Large Firms Favor Small AI Deployments
Director of Innovation at large law firm on why firms adopt Harvey over Legora
This shows why legal AI platform dreams keep shrinking into tightly managed team tools. In large firms, a firmwide rollout means paying for hundreds of seats before usage is proven, while the real work happens in a few practice groups where partners have approved the tool, clients allow it, and associates use it daily. That pushes Harvey and Legora toward 5 to 20 seat deployments, license swapping, and practice by practice expansion instead of broad platform standardization.
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Large firms buy small on purpose. Evaluations often take about six months, security is the main bottleneck, and innovation teams track usage closely so unused seats can be reassigned. That operating model is built for scarce, high utilization licenses, not blanket deployment.
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The economics are especially hard in big law because many matters still run on billable hours. A tool that cuts drafting or review time does not automatically create more profit for the firm, so buyers need a very clear practice specific payoff before expanding seats.
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This leaves room for narrower products. Spellbook sells contract review inside Microsoft Word and often expands from one user upward, while Harvey and Legora sell top down into large firms as broad legal AI platforms. The market is splitting between broad assistants and workflow specific tools.
The next phase is likely targeted entrenchment, not all firm domination. Harvey and Legora can still become important systems inside large firms, but mostly as approved tools for transactional teams, international work, or specific drafting and review jobs, while specialists keep winning wherever a narrow workflow produces clearer ROI and stronger daily habits.