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Can AI-Generated Content Be Copyrighted in the U.S.? What Human Authorship Requires

By TheFinanceBase Team 9 min read

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Yes—but human involvement alone is not enough. In its January 29, 2025 report, the U.S. Copyright Office said an AI-assisted work may receive copyright protection only to the extent a human author contributes sufficient original expression. Material generated solely by an AI system is generally not protected, while human-written, modified, selected, arranged, or otherwise expressive portions may be.

The practical question is not how many prompts or edits were used. It is who determined the expressive details and what original human contribution can be identified. The Copyright Office’s guidance is an interpretation of existing law, not a new statute, and borderline cases remain fact-specific.

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The short answer by scenario

These are general applications of the Copyright Office’s current analysis, not guaranteed outcomes in every dispute.

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How the work was made Likely U.S. copyright treatment
One prompt produces a final image with no meaningful alteration The AI-generated image is generally not protected because the system determined the expressive elements.
A person writes original text and adds an AI-generated illustration The text may be protected. The illustration may not be protected individually, while the publication may qualify as a creative compilation.
A person substantially redraws, paints over, or redesigns an AI image The original human modifications may be protected; the scope depends on the expression added and whether it can be separated from the AI base.
An AI draft is substantially rewritten The person’s original rewritten passages may be protected. Untouched AI-generated passages generally remain outside the claim.
AI is used for brainstorming, cleanup, formatting, noise reduction, or another assistive task The resulting human-authored expression can be protected if it independently meets copyright requirements.
Many AI outputs are selected and arranged into a book, video, or design The creative selection, coordination, or arrangement may be protected even when individual outputs are not.

“Copyrightable” therefore does not mean that every element in an AI-assisted file is protected. A registration or lawsuit may cover only the human-authored material and a sufficiently creative overall structure.

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What the Copyright Office concluded

In its January 29, 2025 announcement and Part 2 of its Copyright and Artificial Intelligence report, the Office applied the human-authorship requirement to generative-AI outputs. Its central conclusions are:

  • Material generated solely by AI is not protected by copyright under the human-authorship requirement.
  • Using AI as an assistive tool does not automatically disqualify a work.
  • Human-authored inputs that remain perceptible in the result can remain protected.
  • Creative human modifications may be protected.
  • Creative selection, coordination, or arrangement may protect a compilation or the overall work.
  • AI-generated material can appear inside a larger human-authored work without making the entire work unprotectable.
  • Prompts alone are generally insufficient to establish authorship of the output under the Office’s current understanding of how generative systems operate.
  • Copyrightability must be evaluated case by case, considering the tool and the person’s actual use of it.

The Office’s registration guidance uses “human authorship” and the human contribution as the limiting principles. Courts ultimately decide infringement and copyrightability disputes.

What copyright covers in an AI-assisted work

AI-generated elements

When a system determines the wording, pixels, melody, or other expressive details, those machine-generated elements generally cannot be claimed as the applicant’s human authorship. This remains true even when generating them required extensive prompting or repeated attempts.

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Human expression

Original text, drawings, performances, scripts, melodies, photographs, edits, and other expression supplied by a person can be protected in the same way it could be if no AI tool had been used.

Compilations and arrangements

A person may own copyright in a sufficiently creative selection or arrangement of otherwise unprotectable material. Protection covers the creative structure, not automatically every item selected. A compilation registration does not convert each AI image, clip, or passage into protected content.

Derivative works

A human-created derivative version may be protected only for new human-authored expression. The underlying AI-generated material does not become protected merely because it was incorporated, transformed, or placed in a new file.

Why prompts usually do not establish authorship

The Office does not say that prompts are legally irrelevant in every circumstance. A prompt can itself contain copyrightable writing, but that does not ordinarily make the generated output the prompt writer’s expression.

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Under the Office’s analysis, a prompt normally communicates an idea, desired result, or set of instructions while the system supplies the detailed wording, visual details, structure, or musical expression. The Office compares this to instructions given to a commissioned artist: the instructions may reflect skill, labor, and artistic intent, yet the person following them may determine the expressive details.

A highly detailed prompt can show substantial creative effort. It still may not provide the meaningful control over the final expression required for authorship. The number of prompts, hours spent iterating, or sophistication of a mood or style reference is not a substitute for identifiable original expression.

How much human editing is enough?

There is no universal “20% human” rule, minimum number of edits, or bright-line percentage. The relevant inquiry is what the person actually contributed.

Questions that strengthen a claim

  • Did the person write or substantially rewrite the words?
  • Did they make creative choices about composition, structure, pacing, character, plot, melody, color, or visual detail?
  • Did they directly alter the output in a way that adds original expression?
  • Did they combine generated material with human-authored material in a creative structure?
  • Can the claimed human contribution be identified separately from machine-generated material?
  • Would the contribution qualify as copyrightable expression if made without AI?
  • Did the person exercise meaningful control over the expressive result rather than merely specify an outcome?

Changes that are usually weak evidence

  • Resizing, cropping, format conversion, or routine file preparation.
  • Basic spelling correction, automatic cleanup, or other mechanical adjustments.
  • Accepting the first or nearly first output.
  • Claiming an idea, theme, mood, or style reference as though it were expression.
  • Relying primarily on the time spent operating the software.

A substantial edit is not automatically enough, either. The added expression must be original, and the scope of any protection depends on what can be separated from the unprotectable base.

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Six practical examples

AI image with no meaningful alteration

A user supplies prompts and publishes the resulting image unchanged. If the system determined the expressive details, the image itself is likely outside copyright protection.

Human-written article with AI illustrations

The original article can be protected. The individual AI illustrations may not be. A book or website can still receive protection for a sufficiently creative selection and arrangement of text and images.

AI image substantially redesigned by a person

Painting over the image, redrawing major forms, adding original characters, or otherwise introducing expressive visual material may support protection for those modifications. The AI-generated portions remain outside the claim.

AI-generated draft rewritten by a person

Original rewritten passages and a human-created structure may be protected. Passages left untouched do not become protected simply because they appear beside the rewritten material.

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AI clips assembled with human production

A video containing AI-generated clips can include protectable human-authored script, performances, voiceover, editing, pacing, soundtrack, and arrangement. Standalone AI clips or audio may remain unprotectable.

AI translation or transformation

Selecting a translation command or approving the result does not automatically create authorship in the transformed version. The Copyright Office’s registration discussion indicates that registering the underlying human-authored version may provide a cleaner claim than relying on an AI-transformed version. Human revisions can support a claim for the expression actually added.

Zarya of the Dawn: protection in parts, not for the images

Zarya of the Dawn is the clearest practical illustration. The work combined human-authored text, Midjourney-generated images, and a human-created selection and arrangement of text and images into comic-book pages.

The Office determined that the individual AI images were not protectable, while the human-authored text and sufficiently creative selection and arrangement could support registration. The original registration was canceled and replaced with a narrower registration clarifying the scope. The case does not show that hundreds or thousands of prompts create copyright in generated images; it illustrates that extensive prompting may still fail to establish authorship while the surrounding human-authored structure qualifies.

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See the Office’s AI materials and its registration webinar transcript.

Registration: what creators must disclose

Copyright can arise automatically when a work satisfies the legal requirements; registration is a separate administrative process with important enforcement consequences.

For a work containing more than de minimis AI-generated material, the Office’s guidance requires the applicant to disclose that material and briefly describe the human-authored contributions. The applicant should not claim machine-generated material as human authorship. The guidance was issued on March 16, 2023, in the Copyright Office announcement and the Federal Register notice.

Disclosure does not necessarily result in refusal. The Office may register the human-authored portions with a limitation excluding AI-generated material from the claim. A registration covering a compilation or video therefore does not necessarily cover every image, clip, or passage inside it. Registration information and application categories are available at copyright.gov/registration/types-of-works/.

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The court decision involving an autonomous AI work

On March 18, 2025, the D.C. Circuit affirmed refusal to register an artwork that the applicant acknowledged had been autonomously generated by AI, without human creative contribution. The decision in Thaler v. Perlmutter is available at the Copyright Office’s copy of the opinion.

That ruling reinforces the human-authorship requirement, but it involved an expressly autonomous work. It does not answer every question about substantial human editing, creative arrangement, or mixed human-and-AI production.

Keep an authorship record

Documentation is practical risk management, not a universally prescribed legal requirement. Preserve enough evidence to show what the person contributed:

  • Original drafts, sketches, photographs, recordings, and source text.
  • Prompts, model outputs, and tool or model identity.
  • Layer files, version history, and editing timelines.
  • Notes identifying human-created passages, elements, scenes, or performances.
  • Records of substantial revisions and the dates of generation and editing.
  • The AI tool’s applicable license and terms.

These records can help with registration, licensing, ownership questions, and infringement disputes.

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Copyrightability, contracts, and infringement are separate questions

A tool provider’s commercial-use language may address permission to use an output, assignment or license of the provider’s own rights, indemnity, content ownership, or reuse of inputs and outputs. It cannot by itself turn machine-generated expression into human-authored expression under U.S. copyright law.

Analyze each issue separately:

  1. Is the output, or a portion of it, copyrightable?
  2. Who owns the copyrightable human contribution?
  3. Does the result infringe another person’s copyright?
  4. Does the provider’s contract permit the intended use?
  5. Can the work be registered and enforced?

A work can contain protected human expression and still face infringement, publicity-rights, trademark, or contract claims. Conversely, contractual permission to use an output does not guarantee copyright, exclusivity, non-infringement, or identical treatment in another country. The January 2025 report addresses output copyrightability, not a universal clearance ruling for every output or training-data dispute.

Choosing tools for a defensible workflow

No product guarantees copyrightability. For commercially important projects, tools that preserve meaningful human control and editable source files are more relevant than one-click generation.

  • Adobe Firefly and Creative Cloud support compositing, retouching, illustration, layers, and conventional editing.
  • ChatGPT can support drafting, brainstorming, rewriting, and coding when a person substantially edits and checks the result.
  • Midjourney and its documentation are relevant to visual ideation and human-directed redesign, but an unmodified output is not assured independent copyright.
  • Canva can help assemble copy, graphics, templates, and layouts; users must check separate licenses for stock, template, and AI elements.

Plan prices, commercial-use terms, indemnity provisions, model availability, and output-rights language vary by country, plan, and date. Check the provider’s current terms before relying on them.

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A creator’s decision checklist

  1. Mark which portions were generated by AI and which were created by a person.
  2. Identify who determined the expressive details in each claimed element.
  3. Separate original human text, artwork, performance, editing, selection, and arrangement from machine output.
  4. Ask whether each claimed contribution is independently original and identifiable.
  5. Preserve drafts, prompts, outputs, layers, timelines, and source material.
  6. Review the tool’s current contract for commercial use, indemnity, and reuse provisions.
  7. Disclose appreciable AI-generated material in a registration application and describe the human contribution.
  8. Obtain legal advice for high-value, disputed, or unusually complex projects.

The Bottom Line

Human use of AI is not disqualifying; human authorship is the limiting principle. A work may be protected where a person contributes original expression, but the claim generally stops at the human-authored portions and any sufficiently creative compilation or arrangement. Prompts, minor edits, vendor permissions, and registration of a larger work do not automatically create copyright in the underlying AI-generated material.

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