Overview
Consolidated multidistrict litigation (1:25-md-03143, SDNY) combining authors-guild, NYT, and other plaintiffs against openai and microsoft over training data.
Timeline
- 2023-09: Authors Guild initial filing (17 co-plaintiffs)
- 2025-10: Consolidated with NYT and other cases
- 2026-09-17: Partial summary judgment motions filed
- 2026-09-21: Unsealed briefs publicized — LibGen, Project Clear, executive admissions
- 2026-10: Opposition briefs due; hearing expected early 2027
Analysis
Summary judgment phase tests whether undisputed facts establish direct infringement. LibGen timeline from 2018-2022 is most detailed public record of frontier lab training data practices. Outcome will affect global AI training norms.