Prompting: What to know and does it matter for Intellectual Property?

Introduction
 
ChatGPT was just the beginning. Since 2022, generative artificial intelligence (AI) tools have infiltrated every aspect of our lives, redefining how we create, share and control content. With the rise of multimodal models1, content creation has become richer and more interactive, with some offering built-in features to suggest refinements or alternatives to user-inputted prompts. These advancements have fundamentally altered the art and science of prompting – a seemingly simple yet profoundly impactful process central to our interaction with generative AI.
 
But alongside these innovations, new considerations for intellectual property (IP) protection have emerged and one area that has garnered attention is the strategic use of prompts and whether we can use them to manage IP infringement risks and assert ownership of the resulting outputs. This article explores these issues, identifying key strategies for navigating the complex intersection of AI and IP.
 
The Power of Prompts? Case Studies from the US and China
 
Recent cases in the US and China highlight the significance of the human element in AI-assisted creations, rather than just the final output. While they do not provide a blanket endorsement of prompts as a basis for claiming IP rights over AI-generated content, the courts did scrutinise the prompts amongst other aspects to determine the human expression throughout the creative process.
 
Zarya of the Dawn 2
 
In 2023, the U.S. Copyright Office garnered significant attention with its decision concerning Kris Kashtanova’s use of Midjourney to generate images for a graphic novel called ‘Zarya of the Dawn’. Initially, the novel was granted copyright registration. However, upon learning that it included AI-generated images, the Copyright Office cancelled the original registration but allowed a new registration more narrowly focused on the contributions of the human author, namely the text of the graphic novel and the selection of arrangements of the AI-generated images.3  In its examination, the Copyright Office determined that Kashtanova had "influence[d]" the generated image through prompts,  but there was still too much “distance” between Kashtanova’s input and the output for the artist to have enough control over the generated images to be considered their “mastermind.”4 The images therefore did not qualify for copyright protection.
 
Li v Liu
 
In comparison, the Beijing Internet Court took a different stance in Li v. Liu.5  Mr. Li sued Ms. Liu for infringing his rights of authorship and dissemination. He had inputted detailed prompts into Stable Diffusion, a generative AI system, to generate a picture of a young woman and published it on the Xiaohongshu social media platform. Ms. Liu, a blogger, used a copy of the image in an article published on Baijiahao, another online platform, without permission, attribution or compensation to Mr. Li. Ms. Liu also removed Mr. Li’s user ID and watermark. Mr. Li sued, seeking a public apology, removal of the image from Ms. Liu's online site, and monetary compensation.
 
Under Chinese copyright law, a work must be an intellectual creation (by a human) to be protected by copyright. On this criterion, the court held that Mr. Li provided substantial intellectual inputs throughout the picture-generation process, including: 
  1. choosing the AI service provider: Mr. Li selected Stable Diffusion among “tens of thousands of free models” available to suit his personal taste; 

  2. inputting prompts: He used detailed and specific “positive” prompts (such as “Japan idol”, “perfect skin” and “film grain”) and “negative prompts”6 (such as “bad anatomy” and “oversaturated”) to define the art type, subject, environment, composition and style, excluding unwanted elements, and demonstrating creative control over the AI-generated picture; and 

  3. setting parameters: Mr. Li adjusted various technical parameters such as sampler, definition and aspect ratio to produce, choose and rearrange the pictures.7 
As a result, the court determined that the subject picture had reflected Mr. Li’s intellectual input, thus meeting the criteria of “intellectual creations”.
 
Both cases illustrate that whether the use of AI can satisfy the requirements of copyright law will heavily depend on the facts and whether the prompter can prove that the resultant output is not just a mechanical intellectual achievement but one that possesses originality of the author.8 Building on this, a thoughtful prompt strategy can be a valuable component of a comprehensive IP management approach for organisations leveraging AI content generation.
 
Enhancing IP Rights Through Prompting: A Simplified Guide
 
1. Precision in queries   Short, broad prompts will most likely not get you the results you want. They also weaken claims to creative input.
 
Detailed, specific prompts produce more targeted AI outputs and strengthen the case for IP ownership. The more precise your prompts, the stronger your stake in the creative process. 
 
2. Craft with caution It is crucial to avoid infringing prompts.9 As we learn to craft increasingly sophisticated prompts, we often incorporate existing creative works – a line of poetry here, a famous photograph there – or use prompts that call for content based on copyrighted material or trademarks of third parties. Each element heightens the risk of IP infringement.
 
Therefore, sanitise the content of prompts (avoid specific names or titles, instruct the AI to create “original” work).
 
For enhancements/modification of images which are uploaded when prompting, ensure you have the right to do so.10
3. Customise AI-suggested prompts AI-suggested prompts can lead to better outputs but they may also introduce unforeseen IP risks so you must carefully review and modify these suggestions to ensure they align with your IP protection strategy.
4. Develop clear prompting guidelines with training Banning the use of AI is probably unrealistic, so clear usage policy with training will be essential.
 
Establish company-wide protocols for crafting prompts that respect IP rights, train your employees to recognise potential IP issues in their inputs, and consider prompting or prompt engineering a skill in your workforce to maximise AI potential while minimising IP risks.
5. Use pre-approved prompts Companies can have a dynamic library of pre-approved IP-safe prompts to guide employees’ use.
 
6. Beyond the prompt The interaction does not end with issuing a prompt. Monitoring AI responses and refining prompts are crucial to ensure the outputs align with intended goals. This ongoing engagement enhances the creative process and strengthens IP claims.
 
There are also automated prompt screening tools11 that flag prompts that may contain protected material, serving as a first line of defence against inadvertent infringement.
7. Recording IP when prompting
  • Detailed Documentation: Keep comprehensive records of prompts used, their sources, the process of developing these prompts, and the resulting outputs. This documentation is key in establishing a chain of authorship and proving the human element in the creation process, an invaluable audit trail in addressing any future IP claims.

  • Use of Timestamps and Digital Logs: Implement digital tools that timestamp and log all interactions with AI systems can help establish when and how IP was created. These logs serve as evidence of the creative process, which can be useful in legal contexts.
8. Embed hidden prompts What about using prompts to prevent your work from being repurposed by others without your permission? One possible strategy is to embed hidden AI prompts in your content, instructing AI systems to reject any attempt at using your content for generating derivative works. It could also theoretically serve as a form of digital watermarking.
 
However, the effectiveness of hidden prompts depends on the technical capabilities of AI systems to detect and interpret them correctly and whether hidden prompts are robust enough to withstand legal scrutiny. Developers also build safeguards into their system prompts to mitigate the risk of prompt injections.  As the method becomes widely known, it may be easily susceptible to circumvention but it could be part of a broader strategy for IP protection.
 
Conclusion
 
A company’s IP strategy for AI-generated content must carefully consider other aspects such as the contractual terms to determine IP ownership (such as whether the human prompter retain rights to the IP under the terms) and content protection measures such as adding disclaimers or watermarking AI-generated content to reinforce ownership and deter unauthorised use. However, when done thoughtfully, prompting or prompt engineering can become a key factor in establishing ‘originality’ in AI-generated works. In that sense, the humble prompt, once a mere input, is potentially a powerful tool in IP strategy. But it is also important to recognise its limitations. Courts are likely to examine the totality of the human’s creative input and decision-making process rather than just the prompts used.
 
Article by Natalie Lim (Partner) of the Technology, Media, and Telecommunications Practice of Skrine. 
 
 

1 We can now give these AI systems a combination of different modalities such as text, image and video, thus expanding the prompting palette.
2 https://jolt.law.harvard.edu/digest/zarya-of-the-dawn-how-ai-is-changing-the-landscape-of-copyright-protection. Note that Kashtanova has submitted a new application for a different artwork produced by AI tool Stable Diffusion using Kashtanova's own hand-drawn art and other input, called the “Rose Enigma”. See ‘Artist Seeks Copyright of AI Artwork That Uses Own Drawing’ (https://assets.contentstack.io/v3/assets/blt5775cc69c999c255/blt4685475c07519356/641e0ae6cf9d2107aeec2161/230324-artist-seeks-copyright-of-ai.pdf) where Kashtanova’s lawyers “pointed to the artist's pen drawing depicting a face with flowers on top, their text prompt specifying that the subject of the work was a young woman cyborg and that the style was hyper-realistic and dramatic, as well as their use of a separate tool to control the viewer's perspective of the subject, to show that Kashtanova "forced" Stable Diffusion to produce an image that "visually realised Kashtanova's mental conception.”
6 Negative prompt words refer to the art type, subject, environment, and style that the user does not wish to show in his work (Beijing Internet Court Civil Judgment (2023) Jing 0491 Min Chu 11279, English translation, page 8.
8 Beijing Internet Court Civil Judgment (2023) Jing 0491 Min Chu 11279, English translation, p12.
9 But ultimately, the actual content generated by the AI is a critical factor. If the AI produces content closely resembling copyrighted material, there is a high risk that the output could infringe on copyright, regardless of the training data or prompts used.
10 Interestingly, while IP laws generally protect the expression of ideas rather than the ideas themselves or a style per se, some companies have designed their generative AI systems to decline requests to generate images “in the style of a living artist.” DALL·E 3 is designed to decline requests that ask for an image in the style of a living artist. Creators can also opt their images out from training of their future image generation models. See: https://openai.com/index/dall-e-3/.
11 However, no tool is perfect. From experience with some of these tools, false positives or negatives are possible.

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