Wire · regulatory
Federal Court Splits on Disclosure of Expert Witness AI Prompts
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Fusion42 · 10 October 2026 · Fusion42 review
A federal court in Nevada ruled that expert witness AI prompts are protected from disclosure to safeguard the expert's mental impressions, while AI-generated case summaries considered by the expert must be disclosed as discoverable material.
This Wire brief sits within Fusion42's coverage of Legal Tech, and 2 sources have reported it between 10 Oct 2026 and 15 Oct 2026.
◆ ◆ The Wire takeaway
Legal professionals using AI in expert reports face new rules where AI-generated content used as factual support must be shared, but prompts remain shielded to protect case strategy. If you work with expert reports, adjust your disclosure checklist to include AI outputs but keep your query prompts confidential.
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2 sources · first reported 10 Oct 2026 · latest 15 Oct 2026
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