LegalOn

AI contract drafting and review, inside Microsoft Word.

Spellbook is an AI assistant for transactional lawyers that drafts, redlines, and reviews contracts directly inside Microsoft Word. It benchmarks clauses, runs playbook-based review across documents, and suggests language. Launched in 2022 as one of the first generative-AI tools for legal work.

Legal-Grade AI for contract review, negotiation, and management.

Luminance is an AI platform that automates contract review, negotiation, and management across an organization. Its agents read and analyze documents, redline against playbooks, and surface risk for legal, compliance, and procurement teams. Sold as an enterprise platform with per-user, volume-based pricing.

Collaborative legal AI for research, review, and drafting.

Legora is a legal AI workspace for law firms and in-house teams that handles multi-document review, legal research, and drafting across complex matters. Formerly known as Leya, it is built largely on Anthropic's Claude. Sold to enterprise legal teams on per-seat annual contracts.

Domain-specific AI for legal and professional services.

Harvey is an AI platform built for law firms and corporate legal teams to research, analyze documents, and draft. It pairs an assistant and a secure document vault with purpose-built agents that execute complex legal work end to end. Sold through enterprise contracts rather than self-serve.