Judicial Insight

Tech & AI · Court of Appeals for the Third Circuit

Sep 30, 2026 · 25-2153 · Appeal

A legal publisher and AI developer discuss copyright issues over a stack of legal headnotes.AI illustration

Is it fair to use copyrighted legal notes to train AI?

A legal publisher claims copyright infringement against an AI developer.

TL;DR

  1. 1, a legal giant, claims stole their work to train an AI.
  2. 2ROSS counters, saying they're just trying to innovate in AI legal tech.
  3. 3The court must decide if using these materials was or copyright infringement.

Appeal

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Did ROSS use ’s headnotes unfairly to train its AI?

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