Definition

Demands for disclosure of datasets, model weights, and internal AI development practices used to train generative models — increasingly central in copyright litigation and regulatory debates.

Midjourney Discovery Motion (July 2026)

midjourney seeks Hollywood studios’ training datasets and model weights to support fair-use and unclean-hands defenses. Magistrate limited scope to consumer-facing AI; broader discovery pending (2026-07-06-midjourney-hollywood-variety).

Broader Context

  • Plaintiffs suing over training data may face reciprocal disclosure obligations
  • Internal studio AI for storyboarding could establish industry custom of training on unlicensed content
  • Precedent affects all generative AI copyright cases

Sources