Use reverse image search to look for matching or similar images, then compare the cartoon with reliably attributed work by the artist and check any available provenance information. These steps can uncover useful leads, but neither a visual resemblance nor a search result proves that an AI image copied a particular work or infringed copyright.
1. Preserve the image and its context
Save the cartoon in the original form available to you. Record where and when you found it, and keep the page URL, attribution, prompt or generator details if available, plus any alternate versions or crops. This makes your investigation easier to retrace; it does not establish who created the image or whether it was copied.
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2. Search for matches and similar images
Try Google Lens and TinEye. Upload the full cartoon first. If it produces few useful results, search distinctive crops separately—for example, a character’s face, an unusual prop, or a recognizable part of the composition.
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1Fix the driver behind crashes, sound loss and screen glitches2Repair Windows errors before they cause bigger problems3Scan for outdated or missing drivers - takes under a minuteGoogle says Lens and its “About this image” information may surface visually similar images, pages containing the image or a similar one, early uses, and available creation or editing information. Features and interfaces can change or vary. TinEye is designed to find image matches, including some cropped, edited, or resized versions, and offers ways to compare results. TinEye says it does not typically find images that are merely similar, so use it alongside a similarity search rather than treating either service as exhaustive. See TinEye’s FAQ.
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Both services search material they have indexed. No result does not show that an original source does not exist, and a result is a lead—not a finding that copying occurred.
3. Investigate candidate sources
Open promising results and check the surrounding context rather than relying on a thumbnail or search ranking. Look for the poster or publisher, the date, any artist attribution, and links to an original portfolio or publication. A result appearing first in a search index is not necessarily the work’s creation date or earliest publication.
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If you find several possible source works, keep track of what each one shows. Compare the exact image or near-match, distinctive details, attribution and publication context, any file-history evidence, and what remains unknown about permissions, jurisdiction, or the generation process. This is a way to organize evidence, not a legal scoring system.
4. Compare specific visual expression
Place the cartoon beside several works that can be reliably attributed to the artist. Describe the similarities precisely. They might include a distinctive character design, an unusual composition, a recurring arrangement of shapes, signature props, a particular line treatment, or a combination of expressive details.
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Separate those observations from broad traits that may be common to a genre or visual style. Saying that two cartoons have a similar “look” is different from identifying a particular character, composition, or set of details that appears to come from an identifiable work. This comparison can guide further investigation, but it cannot by itself decide a legal question.
5. Treat provenance information as a clue
When available, check Content Credentials, creator-supplied metadata, or a generator’s provenance information. Google notes that image metadata may provide creation or editing details, but it can be modified or removed. OpenAI says its Content Credentials and invisible watermarks can provide provenance signals for OpenAI-generated content; extensive changes such as cropping or compression can make a watermark undetectable. See OpenAI’s explanation of provenance signals.
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A present signal may help explain a file’s history, but seek corroboration. A missing credential or watermark does not prove that a person made the image or that it is original.
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6. Keep the conclusion proportional to the evidence
Write down the tools used, search terms, candidate links, dates, and visual features compared. State what the evidence actually shows: for example, “the image search found a close match” or “the cartoon shares these identifiable features with the artist’s work.” Avoid turning resemblance into a categorical claim that the artist was copied or that infringement occurred.
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No validated automated test is established here that can determine whether a cartoon copies an artist’s style. For a consequential dispute, preserve the files and consult a lawyer familiar with the relevant jurisdiction.
What U.S. copyright guidance says about style and copying
This legal context is specific to the United States. In its 2024 Part 1 report, the U.S. Copyright Office states: “Copyright law’s application in this area is limited, as it does not protect artistic style as a separate element of a work.” That distinction does not mean every image that imitates a style is free of legal issues: a cartoon may also reproduce protectable expression from a particular work, or raise issues beyond copyright. Whether that happened depends on the works and facts.
Copyrightability of an AI-assisted output is a separate question from whether it copied someone else’s work. The Office’s January 29, 2025 Part 2 release says: “The Office confirms that the use of AI to assist in the process of creation or the inclusion of AI-generated material in a larger human-generated work does not bar copyrightability.” Its account focuses on whether a human determined sufficient expressive elements, including through human-authored material perceptible in the output or creative arrangement or modification. Providing prompts alone is not enough, according to the Office. These points concern copyright protection for the output; they do not answer whether it copied another work.
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A free scan shows the junk files, broken settings and background clutter dragging Windows down - then fixes them in one click.Free scan · Windows 10 & 11The Office’s 2023 registration guidance, effective March 16, 2023, says applicants must disclose AI-generated material in a submitted work and briefly explain the human author’s contribution. For updates to the Office’s reports and initiative information, see its Copyright and Artificial Intelligence page.
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