'AI Revenue Engines' Are Legal Tech's Newest Category (August–September 2026) — And Every One of Them Reads From a Ledger Most Firms Don't Have

Paravo came out of stealth in August 2026 calling itself the first AI 'revenue engine' for law firms, and Precisely followed with Lexnus, a playbook-driven CLM platform. A new category is forming around the front of the funnel — answer the phone, qualify the lead, chase the follow-up, reactivate the old client. But every promise these tools make is a financial promise, and the moment a firm tries to measure whether the engine worked, it hits the same wall: the money data lives somewhere else.