Midjourney is escalating its legal dispute with Disney, Universal, and Warner Bros. — the three major Hollywood studios — by moving to compel full disclosure of how the studios themselves use generative AI internally. The motion was filed on July 4, 2026. The startup argues that documents the studios are withholding through discovery restrictions may undermine the studios' own copyright claims.
Key takeaways
- Midjourney filed a motion to compel full AI documentation disclosure from all three studios in discovery
- A judge previously ordered studios to disclose AI-related documents only when they led to consumer-facing video or images — Midjourney is contesting that limit
- The startup argues studios are cherry-picking documents, keeping favorable ones while hiding evidence of training models on protected content
- The studios sued Midjourney in 2025 for enabling generation of images depicting protected characters (Bart Simpson, Darth Vader, Batman)
- Midjourney is defending itself under the fair use doctrine
Background of the dispute
Disney and Universal filed suit against Midjourney in June 2025, with Warner Bros. joining several months later. The claims center on Midjourney's models' ability to generate likenesses of studio-owned characters — from The Simpsons and Star Wars to DC Comics heroes. The studios argue that training AI models on such material constitutes copyright infringement.
Midjourney has consistently invoked fair use, treating the training of models on publicly available or licensed images as permissible transformative use. This approach is widely used by AI companies in similar cases and remains one of the key unresolved legal questions surrounding generative AI in the United States.
The case has now entered the discovery phase, the pre-trial period of mutual document disclosure.
The mirror strategy
In its latest filing, Midjourney challenges the restriction set by the judge, who limited the studios' AI document disclosure to materials leading to consumer-facing video or graphics. The startup argues this creates an asymmetry that benefits the studios:
The documents they are withholding are precisely those that would reveal whether, behind closed doors, they are doing exactly what they are suing Midjourney for doing.
Midjourney's argument is specific: if the studios are developing internal AI models for storyboarding or concept generation, and training them on unauthorized copyrighted material, they are themselves practicing the industry custom they are now attacking in court.
The studios' lead attorney David Singer previously described Midjourney's requests as a fishing expedition, adding that the studios do not seek to stop AI technology or even shut down Midjourney's business, but simply want Midjourney to stop reproducing and distributing protected characters.
Significance for the AI market
The case strikes at one of the industry's central tensions: where does legitimate model training on publicly available or historically tolerated material end, and where does copyright infringement begin? The studios are suing AI companies while aggressively deploying their own AI models in post-production, visual effects, and concept generation.
If the court grants Midjourney full discovery rights, the studios' internal documents could reveal details of these AI projects — transforming the case from a straightforward copyright dispute into a complex battle over industry-wide standards.
Why this matters
The Midjourney versus Hollywood case is one of the most significant ongoing generative AI lawsuits because it directly confronts two competing narratives: studios as victims of unauthorized copying versus studios as parallel actors applying the same norms they now demand others follow.
Midjourney's strategy — forcing the studios to disclose their own AI practices — is procedurally bold. If the strategy succeeds and the court orders full discovery, we will have unprecedented visibility into how Hollywood studios actually use AI.
The industry precedent is significant: the ruling will define the boundaries between fair use and infringement for the entire generative AI sector, not just for Midjourney.
What's next
- The court must rule on the scope of discovery — a decision is expected within weeks of the July 4, 2026 filing
- If studios are compelled to provide full AI documentation, those materials may become publicly available in court records
- Parallel cases — NYT vs. OpenAI and Microsoft over press content copyrights are monitoring this precedent. The outcome in Midjourney's case will influence their strategy
Sources
- TechCrunch — Midjourney wants Hollywood studios to reveal the details of their AI usage
- Court Listener — Midjourney filing, CACD case 973999
- Variety — Midjourney Studios AI Copyright Discovery
