Key holding or allegation
Complaint allegations only; no merits ruling identified by the cutoff.
Why it matters
High-profile reference-publisher litigation integrated with the broader OpenAI copyright proceedings.
Facts
Britannica and Merriam-Webster allege unauthorised training uses, memorisation and reproduced/summarised protected content in outputs.
Issues before the court
Core copyright claims remain unresolved.
What the court did not decide
All merits questions.
Procedural timeline
U.S. District Court for the Southern District of New York
Complaint filed: Britannica and Merriam-Webster allege unauthorised OpenAI training, memorisation and substantially similar/reproducing outputs.