Free Guide

How Behavioural Science AI can Help Law Firms Improve Knowledge Sharing

A Guide for Knowledge and Innovation Leaders

Legal AI has come a long way with document summarisation and contract analysis delivering real efficiency gains. But most firms are still struggling with improving knowledge sharing when their most valuable expertise walks out the door when senior lawyers retire.

Knowledge sharing is still largely manual, with 57% of top UK firms citing learning and development as under-served by tech. The costs are staggering. Replacing a senior associate runs £150k–£350k, while replacing a partner can cost several million.

The Knowledge Sharing Challenge

Most law firms run on the expertise that's locked in senior lawyers' heads rather than shared firm-wide. Traditional training misses this layer entirely because experts often undervalue their own knowledge, underestimate how differently they see problems, and struggle to explain their intuitive reasoning.

Even brilliant knowledge management systems focus on documents and workflows—not the active thinking and decision-making behind them. That's exactly where true expertise lives, and it's what clients are actually paying for.

Hybrid working has made knowledge sharing harder. Senior lawyers lack time for training juniors, informal mentoring has weakened, and junior lawyers navigate complexity largely on their own. As a result, knowledge gaps slow down work, junior morale drops, and client relationships suffer.

A Different Approach to Knowledge Sharing

This is where Behavioural Science AI comes in. Rather than automating tasks, it surfaces how decisions are made—capturing the tacit knowledge that drives case-winning legal strategy and making it accessible firm-wide to improve knowledge sharing across teams.

For knowledge and innovation leaders at law firms, the next frontier isn't about replacing human thinking, it's about unlocking it and sharing the best expert thinking across your firm.

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