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Authors Guild’s announcement the following day says it and co-plaintiffs filed summary-judgment motions and supporting briefs on September 4 in MDL 25-md-3143.
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Source · Authors Guild and Co-Plaintiffs File Motion for Summary Judgment v. OpenAI and Microsoft ↗What changed
Plaintiffs ask the court to decide copyright and fair-use issues. This is a procedural development.
The original motions and defence briefs had not yet been read for this entry. A request is not a judgment already issued by the court.
Editorial research question
Editorial research question: plaintiffs ask the court to decide copyright and fair-use issues. This is a procedural development.
This is an editorial interpretation or question, separate from factual statements.
Evidence & sources
Authors Guild’s announcement the following day says it and co-plaintiffs filed summary-judgment motions and supporting briefs on September 4 in MDL 25-md-3143.
SRC-0022Opening reference to the 2026-09-04 motions and MDL number; closing schedule for further briefs
Authors Guild · EN · 2026-09-05
Case
Related documents
DOC-0011Authors Guild and Co-Plaintiffs File Motion for Summary Judgment v. OpenAI and MicrosoftCite this record
ANTI-AI ARCHIVE. “Authors Guild and others file summary-judgment motions against OpenAI and Microsoft, according to plaintiffs.” evt-0024. Include this page’s URL and your access date when citing.

