If you work with confidential client files, EVA gives you a way to use AI on sensitive legal documents without sending them to any cloud server. This guide explains how a private, offline AI fits into a legal workflow, what it can and cannot do for attorneys, and what you need to know before using any AI tool for legal work.
Nothing in this article constitutes legal advice. This is a practical guide written from the perspective of a legal professional who built EVA for exactly this use case.
The core problem: cloud AI and client confidentiality
When you type a client's name, a case fact pattern, or a document excerpt into ChatGPT, Gemini, or Copilot, that data travels to a remote server. Depending on your jurisdiction and bar rules, that transmission may implicate your duty of confidentiality. Many state bars have issued guidance warning attorneys to understand how AI tools handle data before using them with client information.
EVA sidesteps this entirely. It runs locally on a USB drive plugged into a Windows 10/11 PC. Your prompts and documents never leave your machine.
What attorneys can use EVA for
- Document summarization: Summarize contracts, deposition transcripts, or case files loaded into the drive's local knowledge base.
- Drafting assistance: Draft demand letters, memos, motion templates, or client communications — without your draft content reaching any third-party server.
- Research on loaded materials: Ask questions about case materials, statutes, or regulatory documents you have added locally.
- Private brainstorming: Think through arguments and strategy with an AI that retains no data on remote servers.
What EVA cannot do for legal work
- EVA cannot access current case law or legal databases. It does not connect to Westlaw, LexisNexis, or any online legal research platform.
- EVA cannot verify citations. Any legal research output must be independently verified.
- EVA does not replace attorney judgment. It is a writing and analysis assistant, not a legal authority.
The local document knowledge base workflow
- Load relevant documents into EVA's local knowledge base on the drive.
- Plug the drive into your Windows PC — EVA runs directly from the drive without installation.
- Ask EVA to summarize, identify key provisions, or help draft a response based on those documents.
- Review EVA's output as a starting point, not a finished product.
Understanding EVA's privacy model
EVA's core local chat and document workflow is designed to run without sending your prompts or files to EVA-operated cloud servers. The AI model lives on the drive. Your documents stay on your machine. No conversation history leaves the device.
Who EVA is designed for in legal practice
- Solo practitioners and small firms who want AI assistance without an enterprise data processing agreement
- Attorneys handling matters with strong confidentiality requirements (family law, criminal defense, trade secrets litigation)
- Legal professionals in court or on-site where internet access is limited
- Any attorney who wants a predictable, one-time-cost AI tool
Frequently asked questions
Does EVA store my client documents on a remote server?
No. Documents added to EVA's local knowledge base are stored on the USB drive itself, not transmitted to any server.
Can I use EVA in court or at a deposition?
Yes — EVA runs without internet access, so it works anywhere you can plug in a USB drive and open a Windows laptop.
Does using EVA satisfy my confidentiality obligations?
That is a legal ethics question specific to your jurisdiction. Consult your bar's ethics rules and seek a formal ethics opinion if needed.
EVA is a product of Intelligence by Macci. EVA does not provide legal advice.