AI Forecast Ledger

Third-party dispatches, not graded receipts

Sony Music Publishing and Warner Chappell sue Anthropic over training data

theverge.com · 2026-08-31

The publishers call it one of the largest IP thefts in history; a major new legal test for AI training data practices. Confirmed litigation, developing.

“The companies call it “one of the largest and most blatant ongoing thefts of intellectual property in history.””

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