Filevine LOIS is a legal AI platform that reads, drafts, and acts on case matters across an entire firm, serving law firms, government legal teams, and corporate counsel.
About
Filevine LOIS (the Legal Operating Intelligence System) is legal AI software built to run inside a law firm's daily work rather than simply summarize documents. It addresses two persistent problems in legal practice: scattered case data across disconnected tools, and generic AI assistants that cannot safely act on a firm's actual matters. LOIS reads case files, drafts documents, performs research grounded in verifiable case law, and executes tasks such as setting deadlines and generating documents.
The product is developed by Filevine, a company that provides an AI-native legal work platform covering matter management, document management, intake, billing, contract lifecycle management, e-signature, and analytics. LOIS sits on top of Filevine's structured legal data graph, which the company says spans more than 40 million matters, and runs AI agents across a firm's entire caseload instead of one task for one user. Every action is traceable back to its source document, an approach intended to reduce the risk of fabricated citations in legal work.
Key Features
Pricing & Fees
- Pricing: Not publicly listed on the pages we reviewed; check the official site for current plans.
- Free trial: Filevine offers a LOIS free trial with no credit card required, alongside options to book a demo.
- Reported results: Filevine cites customer metrics of 15% increased output, 30% faster recall, 14+% reduced drafting time, and 24% efficiency gained; these are vendor-reported figures.
- Security focus: The platform publishes dedicated information on governance and risk, industry compliance, access and identity security, and data protection.
Who It's For
LOIS targets legal professionals rather than consumers seeking legal advice. Primary users include law firms across practice areas such as personal injury, family law, mass torts, immigration, insurance defense, criminal defense, and estate planning, at sizes from solo practices to Big Law. It also serves state government users (prosecutors, public defenders, municipalities, attorneys general), federal agencies, and corporate in-house counsel. Typical use cases include case management, AI-assisted drafting and research, medical record chronologies, intake and lead tracking, billing, and contract management.
FAQ
What is Filevine LOIS?LOIS is Filevine's Legal Operating Intelligence System, an AI layer that reads case files, drafts documents, performs legal research, and executes tasks across a firm's matters within the Filevine legal work platform.
Is there a free trial for LOIS?Yes, Filevine offers a LOIS free trial that requires no credit card, along with demo booking; full subscription pricing is not publicly listed on the pages reviewed.
Does LOIS work with Microsoft Word and other tools?LOIS for Word brings AI drafting into Microsoft Word, and the Filevine platform integrates with services such as Dropbox, Google Drive, OneDrive, Box, QuickBooks, Slack, and Microsoft 365 through integrations and APIs.
How does LOIS handle AI hallucination risk in legal research?LOIS Legal Research is grounded in verifiable case law and includes an anti-hallucination layer intended to prevent fabricated citations, quotes, or rulings, and every AI action is traceable to its source.
Can individuals use LOIS for legal advice?No. Filevine and LOIS are professional tools for law firms, government legal teams, and corporate legal departments; Filevine does not represent individuals directly.
Related Tutorials
View all →
Related Tools
View all →
Legalon Legalon is an AI-powered legal technology platform offering intelligent contract review, document automation, and workflow optimization to enhance efficiency and productivity. 
Spellbook Spellbook is an AI contract review, drafting and negotiation platform for transactional lawyers, running inside Microsoft Word, Google Docs and on the web. 
ai-con.lawyer An AI-powered service positioned as a tool for reviewing NDAs, visualizing clause risk, and suggesting revisions for Japanese-language contracts. 
Yuxi - RAG Harness for AI Agents Yuxi provides a RAG harness to enhance AI agents with retrieval-augmented generation capabilities. 
omp - A Coding Agent with the IDE Wired In Oh My Pi (omp) is a coding agent that integrates with your IDE, leveraging LSP and DAP for seamless development. Built in Rust for performance.