Artificial intelligence and copyright

In the 2020s, the rapid increase in the capabilities of deep learning-based generative artificial intelligence models, including text-to-image models such as Stable Diffusion and large language models such as ChatGPT, posed questions of how copyright law applies to the training and use of such models. Because there is limited existing case law, experts consider this area to be fraught with uncertainty.[1]

The largest issue regards whether infringement occurs when the generative AI is trained or used.[1] Popular deep learning models are generally trained on very large datasets of media scraped from the Internet, much of which is copyrighted. Since the process of assembling training data involves making copies of copyrighted works it may violate the copyright holder's exclusive right to control the reproduction of their work, unless the use is covered by exceptions under a given jurisdiction's copyright statute. Additionally, the use of a model's outputs could be infringing, and the model creator may be accused of "vicarious liability" for said infringement. As of 2023, there are a number of pending US lawsuits challenging the use of copyrighted data to train AI models, with defendants arguing that this falls under fair use.

Another issue is that, in jurisdictions such as the US, output generated solely by a machine is ineligible for copyright protection, as most jurisdictions protect only "original" works having a human author. However, some have argued that the operator of an AI may qualify for copyright if they exercise sufficient originality in their use of an AI model.

The United States Copyright Office has declared that works not created by a human author, such as this "selfie" portrait taken by a monkey, are not eligible for copyright protection.

Most legal jurisdictions grant copyright only to original works of authorship by human authors.[2] In the US, the Copyright Act protects "original works of authorship".[3] The U.S. Copyright Office has interpreted this as being limited to works "created by a human being",[3] declining to grant copyright to works generated solely by a machine.[1]

Some have suggested that certain AI generations might be copyrightable in the US and similar jurisdictions if it can be shown that the human who ran the AI program exercised sufficient originality in selecting the inputs to the AI or editing the AI's output.[1][3] Proponents of this view suggest that an AI model may be viewed as merely a tool (akin to a pen or a camera) used by its human operator to express their creative vision.[3][2] For example, proponents argue that if the standard of originality can be satisfied by an artist clicking the shutter button on a camera, then perhaps artists using generative AI should get similar deference, especially if they go through multiple rounds of revision to refine their prompts to the AI.[4] Other proponents argue that the Copyright Office is not taking a technology neutral approach to the use of AI (or algorithmic) tools. For other creative expressions (music, photography, writing) the test is effectively whether there is de minimis human creativity. For works using AI tools, the Copyright Office have made the test a different one i.e. whether there is no more than de minimis technological involvement.[5]

Théâtre D'opéra Spatial
ArtistMidjourney, using a prompt by Jason M. Allen
Year2022
MediumAI art using Midjourney

This difference in approach can be seen in the recent decision in respect of a registration claim by Mr Jason Matthew Allen for his work "Théâtre D'opéra Spatial" created using Midjourney (and an upscaling tool) where the Copyright Office stated:

The Board finds that the Work contains more than a de minimis amount of content generated by artificial intelligence ("AI"), and this content must therefore be disclaimed in an application for registration. Because Mr. Allen is unwilling to disclaim the AI-generated material, the Work cannot be registered as submitted.[6]

As AI is increasingly used to generate literature, music, and other forms of art, the US Copyright Office has released new guidance emphasizing whether works, including materials generated by artificial intelligence, exhibit a 'mechanical reproduction' nature or are the 'manifestation of the author's own creative conception'. The US Copyright Office published a Rule in March 2023 on a range of issues related to the use of AI, where they stated:

...because the Office receives roughly half a million applications for registration each year, it sees new trends in registration activity that may require modifying or expanding the information required to be disclosed on an application.

One such recent development is the use of sophisticated artificial intelligence ("AI") technologies capable of producing expressive material. These technologies "train" on vast quantities of preexisting human-authored works and use inferences from that training to generate new content. Some systems operate in response to a user's textual instruction, called a "prompt." 

The resulting output may be textual, visual, or audio, and is determined by the AI based on its design and the material it has been trained on. These technologies, often described as "generative AI," raise questions about whether the material they produce is protected by copyright, whether works consisting of both human-authored and AI-generated material may be registered, and what information should be provided to the Office by applicants seeking to register them.[7]

Some jurisdictions include explicit statutory language related to computer-generated works, including the United Kingdom's Copyright, Designs and Patents Act 1988, which states:

In the case of a literary, dramatic, musical or artistic work which is computer-generated, the author shall be taken to be the person by whom the arrangements necessary for the creation of the work are undertaken.[2]

However, the computer generated work law under UK law relates to autonomous creations by computer programs. Individuals using AI tools will usually be the authors of the works assuming they meet the minimum requirements for copyright work. The language used for computer generated work relates, in respect of AI, to the ability of the human programmers to have copyright in the autonomous productions of the AI tools (i.e. where there is no direct human input):

In so far as each composite frame is a computer generated work then the arrangements necessary for the creation of the work were undertaken by Mr Jones because he devised the appearance of the various elements of the game and the rules and logic by which each frame is generated and he wrote the relevant computer program. In these circumstances I am satisfied that Mr Jones is the person by whom the arrangements necessary for the creation of the works were undertaken and therefore is deemed to be the author by virtue of s.9(3)[8]

There are wide ranging reviews of the use of AI and its impact on copyright. The UK government has consulted on the use of generative tools and AI in respect of intellectual property leading to a proposed specialist Code of Practice:[9] "to provide guidance to support AI firms to access copyrighted work as an input to their models, whilst ensuring there are protections on generated output to support right holders of copyrighted work".[10] The US Copyright Office recently published a Notice of inquiry and request for comments following its 2023 Registration Guidance.[11]

The IP Devil's AI factory
ArtistPeter Pink-Howitt
Year2023

As noted by a lawyer and AI art creator, the challenge for intellectual property regulators, legislators and the courts is how to protect human creativity in a technologically neutral fashion whilst considering the risks of automated AI factories. AI tools have the ability to autonomously create a range of material that is potentially subject to copyright (music, blogs, poetry, images, and technical papers) or other intellectual property rights (such as patents and design rights). This represents an unprecedented challenge to existing intellectual property regimes.[5]

Training on copyrighted data

Popular deep learning models are generally trained on very large datasets of media (such as publicly available images and the text of web pages) scraped from the Internet, much of which is copyrighted. (As of 2023, alternate open-source approaches like "The Stack" by Hugging Face are rare.)[1] Because assembling these training datasets involves making copies of copyrighted works, this has raised the question of whether this process infringes the copyright holders' exclusive right to make reproductions of their works.[3] Machine learning developers in the US have traditionally presumed this to be allowable under fair use, because the use of copyrighted work is transformative, and limited.[3][1] The situation has been compared to Google Books's scanning of copyrighted books in Authors Guild, Inc. v. Google, Inc., which was ultimately found to be fair use, because the scanned content was not made publicly available, and the use was non-expressive.[12]

As of 2023, there were a number of US lawsuits disputing this, arguing that the training of machine learning models infringed the copyright of the authors of works contained in the training data.[3] Timothy B. Lee, in Ars Technica, argues that if the plaintiffs succeed, this may shift the balance of power in favour of large corporations such as Google, Microsoft and Meta which can afford to license large amounts of training data from copyright holders and leverage their own proprietary datasets of user-generated data.[12] Bryan Casey and Mark Lemley argue in the Texas Law Review that datasets are so large that "there is no plausible option simply to license all of the (data)... allowing (any generative training) copyright claim is tantamount to saying, not that copyright owners will get paid, but that the use won't be permitted at all."[1][13] Other scholars disagree; some predict a similar outcome to US music licensing procedures.[1]

A number of jurisdictions have explicitly incorporated exceptions allowing for "text and data mining" (TDM) in their copyright statutes including the United Kingdom, Germany, Japan, and the EU.[14] Unlike the EU, the United Kingdom prohibits data mining for commercial purposes but have proposed this should be changed to support the development of AI: "For text and data mining, we plan to introduce a new copyright and database exception which allows TDM for any purpose. Rights holders will still have safeguards to protect their content, including a requirement for lawful access.".[10] As of June 2023, a clause in the draft EU AI Act would require generative AI to "make available summaries of the copyrighted material that was used to train their systems".[15]

A photograph of Anne Graham Lotz included in Stable Diffusion's training set
An image generated by Stable Diffusion using the prompt "Anne Graham Lotz"
In rare cases, generative AI models may produce outputs that are virtually identical to images from their training set. The research paper from which this example was taken was able to produce similar replications for only 0.03% of training images.[12]
An image generated by Stable Diffusion using the prompt "an astronaut riding a horse, by Picasso". Generative image models are adept at imitating the visual style of particular artists in their training set.

In some cases, deep learning models may "memorize" the details of particular items in their training set, and reproduce them at generation time, such that their outputs may be considered copyright infringement. This behaviour is generally considered undesirable by AI developers (being considered a form of overfitting), and disagreement exists as to how prevalent this behaviour is in modern systems. OpenAI has argued that "well-constructed AI systems generally do not regenerate, in any nontrivial portion, unaltered data from any particular work in their training corpus".[3] Under US law, to prove that an AI output infringes a copyright, a plaintiff must show the copyrighted work was "actually copied", meaning that the AI generates output which is "substantially similar" to their work, and that the AI had access to their work.[3]

Since fictional characters enjoy some copyright protection in the US and other jurisdictions, an AI may also produce infringing content in the form of novel works which incorporate fictional characters.[3][12]

In the course of learning to statistically model the data on which they are trained, deep generative AI models may learn to imitate the distinct style of particular authors in the training set. For example, a generative image model such as Stable Diffusion is able to model the stylistic characteristics of an artist like Pablo Picasso (including his particular brush strokes, use of colour, perspective, and so on), and a user can engineer a prompt such as "an astronaut riding a horse, by Picasso" to cause the model to generate a novel image applying the artist's style to an arbitrary subject. However, an artist's overall style is generally not subject to copyright protection.[3]

Litigation

  • A November 2022 class action lawsuit against Microsoft, GitHub and OpenAI alleged that GitHub Copilot, an AI-powered code editing tool trained on public GitHub repositories, violated the copyright of the repositories' authors, noting that the tool was able to generate source code which matched its training data verbatim, without providing attribution.[16]
  • In January 2023 three artists — Sarah Andersen, Kelly McKernan, and Karla Ortiz — filed a class action copyright infringement lawsuit against Stability AI, Midjourney, and DeviantArt, claiming that these companies have infringed the rights of millions of artists by training AI tools on five billion images scraped from the web without the consent of the original artists.[17] The plaintiffs' complaint has been criticized for technical inaccuracies, such as incorrectly claiming that "a trained diffusion model can produce a copy of any of its Training Images", and describing Stable Diffusion as "merely a complex collage tool".[18] In addition to copyright infringement, the plaintiffs allege unlawful competition and violation of their right of publicity in relation to AI tools' ability to create works in the style of the plaintiffs en masse.[18] In July 2023, U.S. District Judge William Orrick inclined to dismiss most of the lawsuit filed by Andersen, McKernan, and Ortiz but allowed them to file a new complaint.[19]
  • In January 2023, Stability AI was sued in London by Getty Images for using its images in their training data without purchasing a license.[20][21]
  • Getty filed another suit against Stability AI in a US district court in Delaware in February 2023. The suit again alleges copyright infringement for the use of Getty's images in the training of Stable Diffusion, and further argues that the model infringes Getty's trademark by generating images with Getty's watermark.[22]
  • In July 2023, authors Paul Tremblay and Mona Awad have filed a lawsuit against OpenAI, alleging that ChatGPT, OpenAI's language model, used their copyrighted books without permission. ChatGPT's accurate summaries of their works suggest unauthorized content use. This lawsuit highlights the battle between copyright owners and AI companies, potentially leading to discussions on copyright rules and data source disclosure.[23][24]

References

  1. Vincent, James (15 November 2022). "The scary truth about AI copyright is nobody knows what will happen next". The Verge.
  2. Guadamuz, Andres (October 2017). "Artificial intelligence and copyright". WIPO Magazine.
  3. Zirpoli, Christopher T. (24 February 2023). "Generative Artificial Intelligence and Copyright Law". Congressional Research Service.
  4. "Popular A.I. services for creating images are legal minefields for artists seeking payment for their work". Fortune. 2023. Retrieved 21 June 2023.
  5. Peter Pink-Howitt, Copyright, AI And Generative Art, Ramparts, 2023.
  6. Second Request for Reconsideration for Refusal to Register Théâtre D'opéra Spatial (SR # 1-11743923581; Correspondence ID: 1-5T5320R, 2023).
  7. Copyright Registration Guidance: Works Containing Material Generated by Artificial Intelligence, US Copyright Office 2023.
  8. Nova Production v MazoomaGames [2006] EWHC 24 (Ch).
  9. The UK government's code of practice on copyright and AI. UK Government 2023.
  10. Artificial Intelligence and Intellectual Property: copyright and patents: Government response to consultation. UK Government 2023.
  11. https://www.govinfo.gov/content/pkg/FR-2023-08-30/pdf/2023-18624.pdf
  12. Lee, Timothy B. (3 April 2023). "Stable Diffusion copyright lawsuits could be a legal earthquake for AI". Ars Technica.
  13. Lemley, Mark A., and Bryan Casey. "Fair learning." Tex. L. Rev. 99 (2020): 743.
  14. Lee, Jyh-An; Hilty, Reto; Liu, Kung-Chung, eds. (2021). Artificial Intelligence and Intellectual Property. Oxford University Press. doi:10.1093/oso/9780198870944.001.0001. ISBN 978-0-19-887094-4.
  15. Rozen, Miriam (14 June 2023). "Lawyers keep an eye on copyright risk with generative AI". Financial Times. Retrieved 21 June 2023.
  16. Vincent, James (2022-11-08). "The lawsuit that could rewrite the rules of AI copyright". The Verge. Retrieved 2022-12-07.
  17. James Vincent "AI art tools Stable Diffusion and Midjourney targeted with copyright lawsuit" The Verge, 16 January, 2023.
  18. Edwards, Benj (16 January 2023). "Artists file class-action lawsuit against AI image generator companies". Ars Technica.
  19. Brittain, Blake (2023-07-19). "US judge finds flaws in artists' lawsuit against AI companies". Reuters. Retrieved 2023-08-06.
  20. Korn, Jennifer (2023-01-17). "Getty Images suing the makers of popular AI art tool for allegedly stealing photos". CNN. Retrieved 2023-01-22.
  21. "Getty Images Statement". newsroom.gettyimages.com/. 17 January 2023. Retrieved 24 January 2023.
  22. Belanger, Ashley (6 February 2023). "Getty sues Stability AI for copying 12M photos and imitating famous watermark". Ars Technica.
  23. "The copyright battles against OpenAI have begun". 6 July 2023.
  24. Kris, Jimmy (2023-07-06). "OpenAI faces copyright lawsuit from authors Mona Awad and Paul Tremblay". DailyAi. Retrieved 2023-07-10.
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