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Fair Use Machine Learning Legal Technology

Perkins Coie

Fair Use Defense Failed in Thomson Reuters v. Ross, Jury Still out for Generative AI

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The first substantive decision on the fair use defense in an artificial intelligence (AI) copyright case came down against the defendant, who used AI to create a competing product. However, as the decision expressly limited...more

ArentFox Schiff

For At Least One AI Developer, Fair-Use Defense Fails Against Copyright Infringement Claims

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As several dozen copyright infringement cases against artificial intelligence (AI) developers continue to proceed through the federal courts, a recent ruling in the District of Delaware suggests that the fair-use defense...more

Womble Bond Dickinson

Thomson Reuters Emerges Victorious in AI Copyright Battle

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Technology often outpaces the law, but a new copyright infringement decision in the U.S. District Court for the District of Delaware shows that the courts are starting to catch up in regulating artificial intelligence (AI),...more

Quarles & Brady LLP

Competitive AI Use May Raise IP Issues

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As more and more companies employ artificial intelligence (“AI”) in their business activities, novel legal questions continue to arise. Of particular note is the application of existing principles of intellectual property...more

Patterson Belknap Webb & Tyler LLP

AI Training Using Copyrighted Works Ruled Not Fair Use

In the first substantive decision regarding whether use of copyrighted works to train an artificial intelligence (“AI”) tool constitutes fair use under copyright law, the U.S. District Court for the District of Delaware in...more

Kohrman Jackson & Krantz LLP

Fair Use Doctrine Falters in Groundbreaking AI Copyright Decision

The U.S. District Court for the District of Delaware delivered a watershed ruling in Thomson Reuters v. Ross Intelligence on February 11, 2025, providing clarity on an often-asked question:  is the utilization of copyrighted...more

Mintz

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

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On February 11, 2025, Third Circuit visiting Judge Stephanos Bibas, sitting by designation on the U.S. District Court for the District of Delaware, granted summary judgment that Ross Intelligence directly infringed Thomson...more

Schwabe, Williamson & Wyatt PC

Delaware Court Delivers First Copyright Verdict on AI Training

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. In Thomson-Reuters...more

Greenberg Glusker LLP

AI Training, Fair Use, and the Burdens of Being First

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Judge Bibas’s second take in Thomson Reuters v. Ross Intelligence will get plenty of second looks from courts deciding fair use in generative AI copyright cases. “Highly fact-specific.” “Narrowly decided.” A case with...more

Mayer Brown

ROSS AI Decision Gives Early Indication of Strengths and Weaknesses of Fair Use Defense

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On Tuesday, a Delaware federal district court granted partial summary judgment to Thomson Reuters Enterprise Centre GmbH (“Thomson Reuters”) in its copyright litigation against ROSS Intelligence (“ROSS”). The lawsuit, which...more

Jackson Walker

Federal Court Sides with Plaintiff in the First Major AI Copyright Decision of 2025

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AI copyright jurisprudence is set to have a big year in 2025. On February 11, 2025, a Delaware federal court issued the first major decision concerning the use of copyrighted material to train AI. The case is Thomson Reuters...more

Bradley Arant Boult Cummings LLP

Fair Use Falls Short: Judge Bibas Rejects AI Training Data Defense in Thomson Reuters v. ROSS

Fair use — a critical defense in copyright law that allows limited use of copyrighted material without permission — has emerged as a key battleground in the wave of artificial intelligence (AI) copyright litigation. In a...more

Carlton Fields

Use of Copyrighted Works in AI Training Is Not Fair Use: Thomson Reuters Enterprise Centre GmbH v. Ross Intelligence Inc.

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With the Trump administration’s push to establish America’s global dominance in artificial intelligence (AI), thorny questions of intellectual property rights and fair use are likely to be litigated with greater frequency....more

Wolf, Greenfield & Sacks, P.C.

Fair Use in AI Copyright Litigation: A Surprising Turn in Thomson Reuters v. Ross

From the pages of The New York Times to the…general counsel’s office of The New York Times, AI copyright litigation is all the rage. Possible questions include the philosophical—e.g. “Could an AI agent hold a copyright?”—but...more

Farella Braun + Martel LLP

Ruling Against Fair Use Defense for AI Training Seems To Be Narrow, but Is It?

In rejecting an AI company's fair use defense for using Thomson Reuters' Westlaw headnotes to train its competing legal tool, Judge Bilas, the District of Delaware judge in Thomson Reuters Enterprise Centre GMBH and West...more

Davis Wright Tremaine LLP

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

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. The decision—Thomson Reuters Enterprise Centre GmbH v. Ross...more

Ballard Spahr LLP

Court Issues First Decision on AI and Fair Use

Ballard Spahr LLP on

Recently, a federal court issued the first ruling on the closely watched issue of fair use in copyright infringement involving AI. The court ruled in favor of the plaintiff on its direct infringement claim, and ruled that the...more

Husch Blackwell LLP

Delaware Court Grants Summary Judgment to Plaintiff in Machine Learning / AI Copyright Case

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Albert Einstein is credited with saying “the measure of intelligence is the ability to change.” In September 2023, Judge Stephanos Bibas—sitting by designation in the District of Delaware—denied plaintiff Thomson Reuters’...more

Lowenstein Sandler LLP

Federal Court Rules Against ‘Fair Use’ Defense for AI Training

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On Tuesday, February 11, the U.S. District Court for the District of Delaware held in Thomson Reuters Enterprise Centre GmbH et al. v. ROSS Intelligence Inc. that the defendant’s unauthorized use of the plaintiff’s...more

Skadden, Arps, Slate, Meagher & Flom LLP

Court Reverses Itself in AI Training Data Case

In an unexpected development, the judge in Thomson Reuters v. Ross Intelligence — a case concerning the use of copyrighted material to train an artificial intelligence (AI) model — reversed much of his 2023 decision denying...more

Sterne, Kessler, Goldstein & Fox P.L.L.C.

Fair-Use Whiplash: Thomson Reuters v. Ross Intelligence Revisits Fair Use for Artificial Intelligence

On Tuesday, February 11, a Delaware district court issued much-awaited summary-judgment decisions in Thomson Reuters Enterprise Centre GmbH et al v. ROSS Intelligence Inc., No. 1:20-cv-613, potentially shaping how future...more

Goodwin

Court Rejects Fair Use Defense in AI Copyright Case

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A federal district court in Delaware has issued the first AI copyright fair use decision on the merits, granting partial summary judgment for copyright owner Thomson Reuters on copyright infringement and rejecting defendant...more

Venable LLP

Judge Rejects Fair Use Defense in Thompson Reuters' AI Copyright Suit Against Ross Intelligence

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On February 11, 2025, Judge Stephanos Bibas issued an opinion in Thomson Reuters Enterprise Centre GMBH v. Ross Intelligence Inc., civ. no. 1:20-cv-613, a dispute regarding copyright infringement allegations stemming from the...more

Sheppard Mullin Richter & Hampton LLP

Court Definitively Rejects Fair Use Defense in AI Training Case

In one of the most closely-watched copyright cases this year, a Delaware court rejected defendant, ROSS Intelligence’s (“ROSS”), fair use and other defenses by vacating its previous stance and granting summary judgement in...more

Fox Rothschild LLP

The First U.S. AI Copyright “Fair Use” Ruling Favors Copyright Owners

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Yesterday, in the first U.S. ruling on the closely scrutinized question of fair use in the AI-related copyright litigation context, U.S. Circuit Judge Stephanos Bilbas, sitting in the U.S. District Court for the District of...more

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