On April 16, plaintiff authors in the AI copyright class action lawsuit Bartz v. Anthropic filed an updated report with the court, reporting that the claims rate is currently 91.3% where members of the Class filed claims for 440,490 of the 482,460 works on the works list. This is up from 54% claims rate reported in mid-March of this year. The deadline for filing claims was on March 30., 2026.