Law Firms Are Rolling Out AI Faster Than They Can Measure It: What the August 2026 Research Means for Mid-Market Firms - and Why the Missing Instrument Is Your Billing Ledger

New August 2026 research finds law firms are deploying AI far faster than they can measure whether it changes lawyer behavior or firm economics. The instrument most firms are missing is not another analytics dashboard - it is a billing and accounting ledger that captures time, cost, and realization at the matter level. Here is how mid-market firms close the measurement gap.