Live Nation argued that a tying claim requires proof of harm to competition in the tied market, and that its rivals had not been shown to suffer such harm.
The latest filing draws heavily on Anthropic's internal records, obtained through discovery, to support claims the publishers first brought in October 2023.
Kimberly Marasco has asked a federal appeals court to overturn a decision that ended the second of two lawsuits she filed against the singer over her lyrics.
Live Nation and Ticketmaster contend the verdict is "against the weight of the evidence" and was swayed by material that should never have reached the jury.