AI and Lawyer-Client Privilege: The Essential Guardrails

If you’re a lawyer thinking about using AI in your practice, here’s the uncomfortable question nobody wants to ask: where does your client confidentiality go when you feed a ChatGPT prompt to an AI model?

The Confidentiality Minefield

Let’s be clear: dumping your client’s dossier into ChatGPT’s public interface is a liability nightmare. ChatGPT learns from your inputs. OpenAI can access it. The data isn’t deleted. You’re basically posting privileged information on the internet and hoping nobody notices.

The Solution: Enterprise Agreements

Some AI providers (Microsoft, OpenAI, Anthropic) now offer enterprise agreements that guarantee zero data retention. Your inputs don’t train the model. They’re not stored. They’re gone after processing. If you’re using AI in a law office, this isn’t optional—it’s mandatory.

What You Need to Know

Use only enterprise-grade AI tools. Regular ChatGPT? No. Use dedicated legal AI platforms (LexisNexis+ AI, Thomson Reuters, Westlaw AI) that are built for law firms and have contractual confidentiality guarantees. Document your AI usage. Tell your clients you’re using it. Get their consent in writing. It’s not just best practice—it’s ethical.

The Real Risk

The risk isn’t that AI will steal your client’s secrets. The risk is that you will, by accident, by not setting up the right guardrails. An AI tool is only as secure as your agreement with the provider. Don’t wing it.