Tag: copyright-fair-use

Fair Use – copyright or trademark

Court Rules AI Training is Fair Use

Court rules that using copyrighted works to train AI is fair use. Kadrey et al. v. Meta Platforms.

Just days after the first major fair use ruling in a generative-AI case, a second court has determined that using copyrighted works to train AI is fair use. Kadrey et al. v. Meta Platforms, No. 3:23-cv-03417-VC (N.D. Cal. June 25, 2025).

The Kadrey v. Meta Platforms Lawsuit

I previously wrote about this lawsuit in an article describing the top 12 generative-AI lawsuits.

Meta Platforms owns and operates social media services including Facebook, Instagram, and WhatsApp. It is also the developer of a large language model (LLM) called “Llama.” One of its releases, Meta AI, is an AI chatbot that utilizes Llama.

To train its AI, Meta obtained data from a wide variety of sources. The company initially pursued licensing deals with book publishers. It turned out, though, that in many cases, individual authors owned the copyrights. Unlike music, no organization handles collective licensing of rights in book content. Meta then downloaded shadow library databases. Instead of licensing works in the databases, Meta decided to just go ahead and use them without securing licenses. To download them more quickly, Meta torrented them using BitTorrent.

Meta trained its AI models to prevent them from “memorizing” and outputting text from the training data, with the result that no more than 50 words and punctuation marks from any given work were reproduced in any given output.

The plaintiffs named in the Complaint are thirteen book authors who have published novels, plays, short stories, memoirs, essays, and nonfiction books. Sarah Silverman, author of The Bedwetter; Junot Diaz, author of The Brief Wondrous Life of Oscar Wao; and Andrew Sean Greer, author of Less, are among the authors named as plaintiffs in the lawsuit. The complaint alleges that Meta downloaded 666 copies of their books without permission and states claims for direct copyright infringement, vicarious copyright infringement, removal of copyright management information in violation of the Digital Millennium Copyright Act (DMCA), and various state law claims. All claims except the ones for direct copyright infringement and violation of the DMCA were dismissed in prior proceedings.

Both sides moved for summary judgment on fair use with respect to the claim that Meta’s use of the copyrighted works to train its AI infringed copyrights. Meta moved for summary judgment on the DMCA claims. Neither side moved for summary judgment on a claim that Meta infringed copyrights by distributing their works (via leeching or seeding).

On June 25, 2025 Judge Chhabria granted Meta’s motion for summary judgment on fair use with respect to AI training; reserved the motion for summary judgment on the DMCA claims for decision in a separate order, and held that the claim of infringing distribution via leeching or seeding “will remain a live issue in the case.”

Judge Chhabria’s Fair Use Analysis

Judge Chhabria analyzed each of the four fair use factors. As is the custom, he treated the first (Character or purpose of the use) and fourth (Effect on the market for the work) factors as the most important of the four.

He disposed of the first factor fairly easily, as Judge Alsup did in Bartz v. Anthropic, finding that the use of copyrighted works to train AI is a transformative use. This finding weighs heavily in favor of fair use. The purpose of Meta’s AI tools is not to generate books for people to read. Indeed, in this case, Meta had installed guardrails to prevent the tools from generating duplicates or near-duplicates of the books on which the AI was trained. Moreover, even if it could allow a user to prompt the creation of a book “in the style of” a specified author, there was no evidence that it could produce an identical work or a work that was substantially similar to one on which it had been trained. And writing styles are not copyrightable.

Significantly, the judge held that the use of shadow libraries to obtain unauthorized copies of books does not necessarily destroy a fair use defense. When the ultimate use to be made of a work is transformative, the downloading of books to further that use is also transformative, the judge wrote. This ruling contrasts with other judges who have intimated that using pirated copies of works weighs against, or may even prevent, a finding of fair use.

Unlike some judges, who tend to consider the fair use analysis over and done if transformative use is found, Judge Chhabria recognized that even if the purpose of the use is transformative, its effect on the market for the infringed work still has to be considered.

3 Ways of Proving Adverse Market Effect

The Order lays out three potential kinds of arguments that may be advanced to establish the adverse effect of an infringing use on the market for the work:

  1. The infringing work creates a market substitute for the work;
  2. Use of the work to train AI without permission deprives copyright owners of a market for licenses to use their works in AI training;
  3. Dilution of the market with competing works.

Market Substitution

In this case, direct market substitution could not be established because Meta had installed guardrails that prevented users from generating copies of works that had been used in the training. Its AI tools were incapable of generating copies of the work that could serve as substitutes for the authors’ works.

The Market for AI Licenses

The court refused to recognize the loss of potential profits from licensing the use of a work for AI training purposes as a cognizable harm.

Market Dilution

The argument here would be that the generation of many works that compete in the same market as the original work on which the AI was trained dilutes the market for the original work. Judge Chhabria described this as indirect market substitution.

The copyright owners in this case, however, focused on the first two arguments. They did not present evidence that Meta’a AI tools were capable of generating books; that they do, in fact, generate books; or that the books they generate or are capable of generating compete with books these authors wrote. There was no evidence of diminished sales of their books.

Market harm cannot be assumed when generated copies are not copies that can serve as substitutes for the specific books claimed to have been infringed. When the output is transformative, as it was in this case, market substitution is not self-evident.

Judge Chhabria chided the plaintiffs for making only a “half-hearted argument” of a significant threat of market harm. He wrote that they presented “no meaningful evidence on market dilution at all.”

Consequently, he ruled that the fourth fair use factor favored Meta.

Conclusion

The decision in this case is as significant for what the court didn’t do as it is for what it did. It handed a fair use victory to Meta. At the same time, though, it did not rule out a finding that training AI tools on copyrighted works is not fair use in an appropriate case. The court left open the possibility that a copyright owner might prevail on a claim that training AI on copyrighted works is not fair use in a different case. And it pointed the way, albeit in dictum, namely, by making a strong showing of market dilution.

That claim is not far-fetched. Scammy AI-Generated Book Rewrites Are Flooding Amazon.

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AI OK; Piracy Not: Bartz v. Anthropic

Anthropic also acquired infringing copies of works from pirate sites. Judge Alsup ruled that these, and uses made from them, are not fair use.

A federal judge has issued a landmark fair use decision in a generative-AI copyright infringement lawsuit.

In a previous blog post, I wrote about the fair use decision in Thomson Reuters v. ROSS. As I explained there, that case involved a search-and-retrieval AI system, so the holding was not determinative of fair use in the context of generative AI. Now we finally have a decision that addresses fair use in the generative-AI context.

Bartz et al. v. Anthropic PBC

I did not include this case in my list of the top 12 generative-AI lawsuits, but only because it was one among many raising the same basic questions about training AI on copyright-protected works. This issue was well represented by others on the list. As it happens, though, Bartz has now taken on enhanced significance because the judge in the case has issued an important ruling on fair use.

Anthropic is an AI software firm founded by former OpenAI employees. It offers a generative-AI tool called Claude. Like other generative-AI tools, Claude mimics human conversational skills. When a user enters a text prompt, Claude will generate a response that is very much like one a human being might make (except it is sometimes more knowledgeable.) It is able to do this by using large language models (LLMs) that have been trained on millions of books and texts.

Adrea Bartz, Charles Graeber, and Kirk Wallace Johnson are book authors. In August 2024, they sued Anthropic, claiming the company infringed the copyrights in their works. Specifically, they alleged that Anthropic copied their works from pirated and purchased sources, digitized print versions, assembled them into a central library, and used the library to train LLMs, all without permission. Anthropic asserted, among other things, a fair use defense.

Earlier this year, Anthropic filed a motion for summary judgment on the question of fair use.

On June 23, 2025, Judge Alsup issued an order granting summary judgment in part and denying it in part. It is the first major ruling on fair use in the dozens of generative-AI copyright infringement lawsuits that are currently pending in federal courts.

The Order includes several key rulings.

Books

Digitization

Anthropic acquired both pirated and lawfully purchased printed copies of copyright-protected works and digitized them to create a central e-library. Authors claimed that making digital copies of their works infringed the exclusive right of copyright owners to reproduce their works. (See 17 U.S.C. 106.)

In the process of scanning print books to create digital versions of them, the print copies were destroyed. Book bindings were stripped so that each individual page could be scanned. The print copies were then discarded. The digital copies were not distributed to others. Under these circumstances, the court ruled that making digital versions of print books is fair use.

The court likened format to a frame around a work, as distinguished from the work itself. As such, a digital version is not a new derivative work. Rather, it is a transformative use of an existing work. So long as the digital version is merely a substitute for a print version a person has lawfully acquired, and so long as the print version is destroyed and the digital version is not further copied or distributed to others, then digitizing a printed work is fair use. This is consistent with the first sale doctrine (17 U.S.C. 109(a)), which gives the purchaser of a copy of a work a right to dispose of that particular copy as the purchaser sees fit.

In short, the mere conversion of a lawfully acquired print book to a digital file to save space and enable searchability is transformative, and so long as the print version is destroyed and the digital version is not further copied or distributed, it is fair use.

AI Training Is Transformative Fair Use

The authors did not contend that Claude generated infringing output. Instead, they argued that copies of their works were used as inputs to train the AI. The Copyright Act, however, does not prohibit or restrict the reading or analysis of copyrighted works. So long as a copy is lawfully purchased, the owner of the purchased copy can read it and think about it as often as he or she wishes.

[I]f someone were to read all the modern-day classics because of their exceptional expression, memorize them, and then emulate a blend of their best writing, would that violate the Copyright Act? Of course not.

Bartz v. Anthropic Order.

Judge Alsup described AI training as “spectacularly” transformative.” Id. After considering all four fair use factors, he concluded that training AI on lawfully acquired copyright-protected works (as distinguished from the initial acquisition of copies) is fair use.

Pirating Is Not Fair Use

In addition to lawfully purchasing copies of some works, Anthropic also acquired infringing copies of works from pirate sites. Judge Alsup ruled that these, and uses made from them, are not fair use. The case will now proceed to trial on the issue of damages resulting from the infringement.

Conclusion

Each of these rulings seems, well, sort of obvious. It is nice to have the explanations laid out so clearly in one place, though.

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Photographers’ Rights

The Second Circuit Court of Appeals reversed a trial judge’s dismissal of a photographer’s copyright infringement complaint, holding that because “fair use” was not clearly established on the face of the complaint, the district court should not have dismissed the complaint sua sponte. Romanova v. Amilus, Inc.

Romanova v. Amilus, Inc., No. 23-828 (2nd Cir., May 23, 2025)

The Second Circuit Court of Appeals reversed a trial judge’s dismissal of a photographer’s copyright infringement complaint, holding that because “fair use” was not clearly established on the face of the complaint, the district court should not have dismissed the complaint sua sponte.

European grass snake photograph illustrating copyright infringement article by Cokato Minnesota attorney Thomas James

Photographer Jana Romanova created a photograph of a woman with a snake wrapped around her left hand and another snake crawling up her torso. (Not the one pictured here.) She licensed it to National Geographic Magazine for a single use. According to the complaint, Amilus, Inc. allegedly made a copy of the photograph and published it to its website. Romanova allegedly sent notifications demanding the removal of the photograph from the website. The defendant allegedly did not respond. This lawsuit followed.

The defendant allegedly did not appear or respond to the complaint, so Romanova moved for the entry of default judgment. Rather than grant a default judgment, however, the district court judge sua sponte ordered Romanova to show cause why the court should not dismiss the case on the grounds that the defendant’s use of the photograph was fair use. Although fair use is an affirmative defense, which defendants have the burden of asserting and proving, the judge opined that the fair use defense did not need to be pleaded because the judge believed the fair use defense was “clearly established on the face of the complaint.“

Romanova appealed. The Second Circuit Court of Appeals reversed, effectively allowing the infringement claim to go forward.

Fair Use

In its decision, the Second Circuit Court of Appeals clarified how courts are to interpret and apply the four-factor “fair use” test outlined in the Copyright Act, 17 U.S.C. § 107 (purpose and character of the use; nature of the work; amount and substantiality of the portion copied; and the effect on the market for the work.)

The district court concluded that the defendant’s publication of the photograph communicated a different message than what the photographer intended. According to the district court, the purpose of the publication in the National Geographic was “to showcase persons in [her] home country of Russia that kept snakes as pets, specifically to capture pet snakes in common environments that are more associated with mainstream domesticated animals.” The district court found that the purpose of the defendant’s publication was to communicate a message about “the ever-increasing amount of pet photography circulating online.“

Apparently the district court was under the impression that the use of a copyright-protected work for any different purpose, or to communicate any different message, is “transformative” and therefore “fair use.” The Court of Appeals clarified that is not the case. In addition to alleging and proving the use was for a different purpose or conveyed a different meaning, a defendant seeking to establish a fair use defense must also allege and prove a justification for copying.

Examples of purposes that may justify copying a work include commentary or criticism of the copied work, or providing information to the public about the copied work, in circumstances where the copy does not become a substitute for the work. (See, e.g., Authors Guild v. Google, Inc., 804 F.3d 202, 212 (2d Cir. 2015).) Copying for evidentiary purposes (such as to support a claim that the creator of the work published a defamatory statement) can also be a valid justification to support a fair use defense. Creating small, low-resolution copies of images (“thumbnails”) may be justified when the purpose is to facilitate Internet searching. (Perfect 10 v. Amazon.com, 508 F.3d 1146, 1165 (9th Cir. 2007). Facilitating blind people’s access to a work may provide a justification for converting it into a format that blind people can read. (Authors Guild v. HathiTrust, 755 F.3d 87, 97 (2d Cir. 2014).

The Court cited other examples of potential justifications for copying. The Court admonished, however, that the question whether justification exists is a fact-specific determination that must be made on a case-by-case basis.

[J]ustification is often found when the copying serves to critique, or otherwise comment on, the original, or its author, but can also be found in other circumstances, such as when the copying provides useful information about the original, or on other subjects, usually in circumstances where the copying does not make the expressive content of the original available to the public.

Romanova, supra.

The only “justification” the district court cited for the copying was that it believed the defendant merely wanted to illustrate its perception of a growing trend to publish photographs of people with pets. “Little could remain of an author’s copyright protection if others could secure the right to copy and distribute a work simply by asserting some fact about the copied work,” the Romanova Court observed. The defendant’s publication of the copy did not communicate criticism or commentary on the original photograph or its author, or any other subject, the Court held.

The Court held that the remaining three fair use factors also militated against a finding of fair use.

Sua Sponte Dismissal for “Fair Use”

Justice Sullivan filed a concurring opinion. He would have reversed on procedural grounds without reaching the substantive issue. Specifically, Justice Sullivan objected to the trial judge’s raising of the fair use defense sua sponte on behalf of a non-appearing defendant. Normally, if a complaint establishes a prima case for relief, the court does not consider affirmative defenses (such as fair use) unless the defendant asserts them. That is to say, fair use is an affirmative defense; the defendant, not the plaintiff, bears the burden of proof.

Conclusion

Appeals courts continue to rein in overly expansive applications of transformative fair use by the lower courts. Here, the Court of Appeals soundly reasoned that merely being able to articulate an additional purpose served by publishing an author’s entire work, unchanged, will not, by itself, suffice to establish either transformative use or fair use.

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