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Legal Technology Fair Use Copyright

Tarter Krinsky & Drogin LLP

AI, Copyright, and Recent Decisions: Legal Priorities for Rights Holders

The past few weeks have seen a flurry of activity in the legislature and the courts relating to Artificial Intelligence (“AI”). Since the founding of our nation, there has been ongoing debate about whether legal matters...more

Baker Botts L.L.P.

South Korean Copyright Office Issues AI Guidance

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In June 2025, South Korea's Ministry of Culture, Sports and Tourism and the Korea Copyright Commission released two guides related to the intersection of artificial intelligence ("AI") and copyright law. These guides, the...more

Troutman Pepper Locke

California’s Latest Dueling Rulings — Fair Use of Copyrighted Materials in AI Algorithms

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Generative AI (GenAI) algorithms require data inputs to analyze, transform, and generate content. But does using copyrighted material without prior authorization for training or operating these algorithms infringe on the...more

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

IP Hot Topic: A Clash in California: Judicial Tug of War Between the Primacy of Transformative Use and Market Effect in GenAI Fair...

2025 Summer Associate Wade Marshall contributed to this article. Recently, two Northern District of California decisions revealed fault lines in the forming fair use terrain for GenAI copyright infringement actions. Both...more

Loeb & Loeb LLP

What Gen AI court rulings mean for content owners and creators

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Recent court decisions in two highly publicized Gen AI cases favored the platforms and may start to reduce the concerns over using Gen AI. But content owners and those working for them should still understand the legal...more

Farella Braun + Martel LLP

Fair Use at Scale: When Is "Spectacularly" Transformative Use Still Not Fair?

The recent ruling in a lawsuit against Anthropic highlights a growing complexity in how courts are approaching fair use in the context of AI training. Judge William Alsup held that developing Anthropic’s Claude model was...more

Quarles & Brady LLP

Concerned about AI Training Data and Copyrighted Works? New Guidance from the Northern District of California

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Two recent district court opinions from the Northern District of California, filed within days of each other address the use of copyrighted material in training data in two separate market dominating Large Language Models...more

McCarter & English, LLP

Court Sets New Limits on Use of Copyrighted Materials to Train AI Models

The rapid adoption of artificial intelligence (AI) has sparked a pressing legal debate over how copyrighted materials can be used to train generative AI systems, particularly large language models (LLMs), without permission...more

Sullivan & Worcester

Open Books, Narrow Rulings: The Northern District of California Grants AI Companies a Limited Fair Use Victory

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Since generative AI began its rapid ascent in 2022, the creative, tech and legal industries have grappled with a fundamental question: does using copyrighted works to train AI models violate the rights of creators, or does it...more

Baker Botts L.L.P.

Kadrey v. Meta - Fair Use as a Matter of Law

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Kadrey v. Meta! On the merits! A doozy of a summary judgment opinion in form and substance. "The devil is in the details," but even for non-lawyers, at least the first five pages are a must-read - there are almost no legal...more

Davis Wright Tremaine LLP

The Generative Slate: Two Courts Find Fair Use in GenAI Training

This article is part of DWT's The Generative Slate series. It explores the use of generative AI in the production and distribution of content. After nearly two years since the first lawsuit involving generative AI (GenAI)...more

Sheppard Mullin Richter & Hampton LLP

Court Grants Interlocutory Appeal on AI Fair Use Issue

We previously reported on the groundbreaking AI Fair Use ruling in the Thomson Reuters Ross Intelligence case, where the court found that based on the facts of this case fair use was not a defense. Ross Intelligence moved,...more

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

Ropes & Gray LLP

Does Training an AI Model Using Copyrighted Works Infringe the Owners’ Copyright? An Early Decision Says, “Yes.”

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As has been widely reported, including in our year-end summary of the current state of artificial intelligence (“AI”)-related copyright litigation, AI providers are currently facing a wave of lawsuits1 from copyright owners...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

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

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

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

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