AI in Legal: 13 real deployments

Signed Harvey and Legora AI platforms for firmwide deployment across practice groups, with a new AI Board governing build-vs-buy decisions per practice and a 100-person ELTEMATE unit developing proprietary tools

Used ChatGPT to generate legal references for a murder-appeal brief

Reported: Sanctioned $5,000 to the State Bar Client Protection Fund and barred from court pending disciplinary review after brief cited fabricated witnesses

AI-powered compliance and client-oriented legal services platform providing back-office operations for niche B2B law firms

Reported: surpassed $25M in 2026 revenue

launched in-house AI model post-trained on Moonshot's Kimi K3 to replace OpenAI and Anthropic APIs for legal AI services

Reported: gross margins collapsed from ~50% to -50% by June as token usage jumped 20x; margins swung positive after launching in-house model in August

Early adopter of OpenAI's Astra for Law, a GPT-6-powered legal research tool with a proprietary search index spanning more than 230 million URLs of US case law, statutes, regulations, and court rules

Early adopter of OpenAI's Astra for Law, a GPT-6-powered legal research tool with a proprietary search index spanning more than 230 million URLs of US case law, statutes, regulations, and court rules

Early adopter of OpenAI's Astra for Law, a GPT-6-powered legal research tool with a proprietary search index spanning more than 230 million URLs of US case law, statutes, regulations, and court rules

Early adopter of OpenAI's Astra for Law, a GPT-6-powered legal research tool with a proprietary search index spanning more than 230 million URLs of US case law, statutes, regulations, and court rules

piloting Gemini Enterprise for Legal with contract-review and regulatory-scanning skills and pre-built agents

Deployed proprietary Thomson LLM trained on Westlaw, Practical Law, Checkpoint and Reuters content inside CoCounsel Legal's Tabular Analysis feature for law firms and corporate legal departments

Deployed Harvey II legal AI platform featuring Memory that learns individual lawyer drafting style across Harvey, Word and Outlook, and Tenet, an in-house proprietary legal model trained on mock disputes and case files using a version of Moonshot's Kimi K3

Expert witness Josh Autenrieth used ChatGPT to produce approximately 85-90% of an expert report defending 3M in the Watson Grinding fatal explosion lawsuit, prompting it to show 3M is at zero fault

Reported: Jury awarded plaintiffs $61M assigning 30% fault to 3M; 350 pages of ChatGPT prompts entered discovery and were used to impeach the expert witness at trial

Thomson Reuters is deploying AI across legal, tax and regulatory workflows while reshaping its engineering organization.

Reported: The company confirmed up to 500 engineering layoffs and plans to hire more than 250 net-new, mostly senior AI-native engineers over two years.