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AI Training Copyright Infringement and Fair Use: Thomson Reuters v Ross

Barry Sookman

11, 2025) examined three essential questions, 1) were the Westlaw headnotes and key number system taxonomy protected by copyright, 2) did Rosss copying of the headnotes to create legal memos used to train Rosss AI system infringe copyright, subject to the defense of fair use, and 3) was Ross copying fair use.…

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Copying Westlaw Headnotes to Train AI Legal Search Competitor Is Not Fair Use, Per District of Delaware

JD Supra Law

On February 11, 2025, Third Circuit visiting Judge Stephanos Bibas, sitting by designation on the U.S.

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Copyright Owners Are Still Suing Over Embedding

Technology & Marketing Law Blog

2025 WL 89191 (S.D.N.Y. 14, 2025) This cases involves two videos, one involving Michael Jordan that someone posted to Twitter (seemingly without permission?), Mediaite LLC, 2025 WL 89226 (S.D.N.Y. The court also says it can’t consider the evidence that Mediaite used embedding on a motion to dismiss.

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Authors Put a Spotlight on Meta’s BitTorrent Leeching Activity

TorrentFreak

Meta admitted the use of these unofficial sources early on. At the same time, however, the company denied the copyright infringement allegations, noting that it would rely on a fair use defense, at least in part. Meta could argue that the use of the pirated books as AI training data qualifies as fair use.

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Fair Use Doctrine Falters in Groundbreaking AI Copyright Decision

JD Supra Law

Ross Intelligenceon February 11, 2025, providing clarity on an often-asked question: is the utilization of copyrighted subject matter covered by the fair use doctrine as an affirmative defense? District Court for the District of Delaware delivered a watershed ruling inThomson Reuters v. By: Kohrman Jackson & Krantz LLP

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Delaware Court Delivers First Copyright Verdict on AI Training

JD Supra Law

On February 11, 2025, the U.S. District Court for the District of Delaware became the first to rule on whether the use of copyrighted materials to train an AI system qualifies as copyright infringement. the court granted summary judgment on the plaintiffs infringement claim, and denied the defendants fair-use defense.

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Thomson Reuters v. Ross Intelligence: Copyright, Fair Use, and AI (Round One)

JD Supra Law

Earlier this week, a federal judge rejected an AI startup's claim that using copyrighted material to train its AI system was permissible under the fair use doctrine. 11, 2025)marks the first time a court has rejected a fair use defense in this context. The decisionThomson Reuters Enterprise Centre GmbH v.