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Stitex
Infrastructure

On-Premise AI for Law Firms: Privilege Stays Intact

Short answer: cloud AI is effectively closed to law firms — privileged material and personal data must not leave the firm. A model running on your own server removes that problem: contract review, redline comparison and search across your own case files all happen inside the perimeter. Here is how it works in practice.

July 21, 20268 min readStitex Technologies
Note
This is an overview of what the tool can do, not legal advice. Agree the handling of client data and the paperwork with your own counsel or data-protection officer.

Why cloud AI does not work for lawyers

Every prompt sent to a cloud model lands on somebody else’s servers. For a law firm that is a direct conflict with privilege and with data-protection duties: contracts, litigation positions and client details cannot be shipped outside. That rules out cloud ChatGPT by default, before anyone even gets to the question of how good the answers are.

What a local model gives you

  • Contract review: a list of risks and unfavourable clauses in seconds,
  • Redline comparison: exactly what the other side changed,
  • Search across your own contract archive and case history,
  • Counterparty checks against public registries,
  • First drafts of standard documents from your own templates.

There is more detail on the review side in how an AI reviews a contract, and on the deployment side in the guide to building an AI server.

Nothing leaves the perimeter
The model is installed on your server, processing happens inside the firm, and the machine can be taken off the internet completely. That is what makes privilege and personal-data handling a non-issue. In Russia the relevant framework is 152-FZ; elsewhere the GDPR-style equivalent applies, and the technical answer is the same — keep the processing in-house.

Where the responsibility line sits

The AI takes the routine, but legal conclusions, strategy and responsibility stay with a human lawyer. Treat the output as a first pass by a fast junior, not as advice. The product itself is on the on-premise AI server page, and the role-specific version is the AI Lawyer.

Frequently asked questions

Can law firms use AI at all?

As a tool for routine work, yes: contract review, comparing redlines, searching your own case history. The condition is that nothing leaks outside, which is why firms run a local model inside their own perimeter. The judgement and the responsibility stay with the lawyer.

Is the data really safe?

When the model is installed on your server, processing happens inside your perimeter and the machine can be disconnected from the internet entirely. That removes the privilege problem and the question of sending personal data to a third party.

Will it replace a lawyer?

No. It speeds up the routine and takes the mechanical load off, but legal conclusions, strategy and responsibility rest with a person. This is an overview of what the tool does, not legal advice.

AI inside your own perimeter

We deploy a self-hosted model for law firms, with data that never leaves the building. We will demonstrate it on your own documents, at no charge.