Kensuke Tsujimoto, the top lawyer at Japan‑based fintech Upsider, is building a custom tool that feeds Slack, Notion and other conversations to Claude, Anthropic’s AI model, alongside an in‑house legal playbook. The system flags regulatory and contractual red flags, letting Tsujimoto decide whether an alert is a false positive or a real risk and enabling proactive advice to business colleagues.

Cox Media Group repurposed a contract‑processing platform to streamline political‑ad reviews, a revenue stream forecast at $11.6bn for the 2026 U.S. midterms. Nanyang Technological University cut case‑closure time to 38.5 days from 55 using Lexagle, while Endava’s custom ChatGPT tools reduced third‑party screening effort by 40‑50% despite rising request volumes.

A 2025 ACC‑Everlaw report shows AI adoption among in‑house teams has more than doubled, with two‑thirds expecting to rely less on outside counsel. Budgets, however, are tightening; Oyango Snell of CLOC warns that “validation for one use doesn’t mean validation for another,” urging caution as firms test multiple AI solutions from Harvey, Legora, Barclays and others.