{ "id": "creative-commons", "title": "Creative Commons", "lang": "en", "source_lang": "en", "summary": "A nonprofit organization and public licensing framework for sharing and reusing creative works and knowledge.", "category": "society", "subcategory": "law", "type": "organization", "aliases": [ "CC" ], "generated_at": "2026-10-22", "model": "pro/gpt-6.1-sol", "url": "https://aiwiki.page/en/creative-commons/", "translations": { "zh-Hans": { "url": "https://aiwiki.page/zh/creative-commons/", "json": "https://aiwiki.page/zh/creative-commons.json" } }, "sections": [ { "heading": "", "text": "Creative Commons (CC) is a nonprofit organization founded in 2001 that develops public legal tools for sharing creative works and knowledge. Its name also commonly refers to the copyright licenses it publishes. These licenses allow rights holders to retain copyright while granting the public advance permission to copy, distribute, and, depending on the license, adapt their work under specified conditions. The first CC licenses appeared in December 2002. (creativecommons.org)\n\nCreative Commons provides a standardized framework for reuse across the internet, supporting educational resources, scholarly publishing, cultural collections, and collaborative projects such as Wikipedia. Its six principal licenses combine attribution with different conditions concerning commercial use, adaptations, and the licensing of adaptations. Separate public-domain tools, including CC0 and the Public Domain Mark, serve purposes distinct from those licenses. Understanding Creative Commons therefore involves its institutional history, legal and technical design, practical applications, and the boundaries between licensed permissions, statutory exceptions, and rights outside copyright. (creativecommons.org)" }, { "heading": "Origins and institutional development", "text": "Creative Commons was founded in 2001 by Lawrence Lessig, Hal Abelson, and Eric Eldred as a nonprofit organization enabling creators to share works voluntarily without surrendering their copyright. Its origins lay partly in opposition to the United States’ 1998 Copyright Term Extension Act, which extended copyright terms by twenty years. Lessig represented Eldred, a publisher of works entering the public domain, in the constitutional challenge known as Eldred v. Ashcroft. Alongside that litigation, Creative Commons developed a complementary approach: rather than changing statutory copyright terms, it would give rights holders standardized tools for authorizing uses that copyright would otherwise reserve to them. The guiding formulation was “some rights reserved,” rather than a choice between retaining all rights and abandoning copyright altogether. (creativecommons.org)\n\nThe project drew explicitly on free-software licensing, particularly the Free Software Foundation’s GNU General Public License (GNU GPL). The shared mechanism was to use copyright permissions to facilitate circulation and reuse under stated conditions. Creative Commons applied this approach beyond software, identifying scholarship, websites, music, film, photographs, literature, and educational materials as intended subjects. Its licenses were therefore conceived as complements to software licenses, not replacements for them. Early institutional support came from the Center for the Public Domain, while fellows and students associated with Harvard’s Berkman Center and Stanford Law School’s Center for Internet and Society helped establish the project. (wiki.creativecommons.org)\n\nThe first Creative Commons licenses, version 1.0, were released on December 16, 2002. Revision subsequently became a public process involving draft texts, consultation, and feedback from users and legal specialists. Version 2.0, released on May 25, 2004, made attribution standard across the principal license suite, reducing the available combinations from eleven to six. The organization reported that 97–98 percent of users had already selected attribution. This revision also clarified source-link requirements and broadened the ShareAlike mechanism to accommodate later versions and corresponding jurisdiction-specific licenses. (wiki.creativecommons.org)\n\nVersion 2.5, released in June 2005, made a narrower adjustment to attribution language. It allowed licensors to designate parties such as a university, journal, publisher, or collaborative wiki for acknowledgment, alongside or instead of the individual author. This addressed institutional publishing arrangements without making attribution equivalent to copyright ownership. Version 3.0 followed on February 23, 2007. It separated the United States-specific text from a more internationally framed “unported” license, harmonized treatment of moral rights and collecting-society royalties, and introduced a mechanism for recognizing compatible licenses under Attribution–ShareAlike. (wiki.creativecommons.org)\n\nVersion 4.0 was released on November 25, 2013, after more than two years of development following discussions at the 2011 Creative Commons Global Summit in Warsaw. Its development involved legal affiliates, public-licensing specialists, and community consultation. Designed for international use without jurisdiction-specific redrafting, it extended the license grant to cover sui generis database rights and revised attribution and compliance provisions. The accompanying institutional work shifted toward official translations of a common international legal text, rather than further proliferation of nationally adapted versions. (creativecommons.org)" }, { "heading": "Organization and international network", "text": "Creative Commons denotes three related but distinct things: the nonprofit organization, the standardized legal tools it develops and maintains, and the broader community that uses and promotes those tools. Established in 2001, the organization provides infrastructure for sharing works protected by copyright and identifying material in the public domain. Its licenses are public instruments, not benefits restricted to organizational members: rights holders can apply them without registering with CC. The organization neither manages those rights on licensors’ behalf nor has authority to grant additional permissions for their works. Consequently, using a CC license does not itself establish membership in the organization or its formal network. (creativecommons.org)\n\nThe CC Global Network formalized cooperation among individual and institutional members. A reorganization developed through consultation in 2017 established thematic “platforms” alongside country-based coordination. Its Global Network Charter defines shared values, principles, and mutual responsibilities between members, institutional members, and Creative Commons. It also identifies policies applicable to people participating in chapters or acting in CC’s name where authorized. This formal membership framework is narrower than the worldwide population of creators, educators, researchers, and institutions that publish or reuse CC-licensed material. (creativecommons.org)\n\nNational chapters coordinate the individuals and institutions working within a country, including network members and other contributors. They provide a geographical structure for local activities, training, and advocacy, while thematic platforms enable collaboration across borders. The network’s chapter directory, for example, records the establishment of the India chapter on September 1, 2018, the Japan chapter on September 18, 2019, and the Morocco chapter on December 16, 2020. Its thematic structures have included platforms for open education, open culture, and copyright, allowing participants to organize around a subject rather than solely through national groups. (network.creativecommons.org)\n\nUnder the published network governance framework, the Global Network Council (GNC) is the network’s governing and decision-making body. It brings together elected chapter representatives and representatives of CC headquarters, connecting country-level participation with the central organization. The framework provides for several meetings annually, including at least one in-person meeting, preferably at the Global Summit, and work through subcommittees. An Executive Committee and a Membership Committee include elected network representatives. These arrangements govern the network; they should not be conflated with the nonprofit’s corporate governance, for which CC separately identifies a board and executive leadership. (network.creativecommons.org)\n\nBy 2026, CC was revising its community arrangements rather than treating the formal network as the sole route to participation. Its community documentation reports participants from more than 60 countries and over 40 chapters, while explicitly stating that Global Network membership is no longer required to join the wider community. The earlier platforms are being reorganized into thematic communities of practice, with topic-based meetings and ad hoc working groups. Local chapters remain a point of contact, while a shared Zulip discussion space and open virtual meetings support cross-border coordination, including work on translation, training, and open-access advocacy. (network.creativecommons.org)" }, { "heading": "Copyright basis and scope of permission", "text": "Creative Commons public licensing supplies advance permission to exercise specified copyright rights; it does not transfer ownership of a work. Section 2(a)(1) of CC BY 4.0 grants worldwide, royalty-free, nonexclusive permission to reproduce and share material and to produce and share adaptations, subject to the license conditions. “Nonexclusive” leaves the rights holder free to use the work and authorize others under separate terms. The grant is also non-sublicensable: under section 2(a)(5), downstream recipients receive an offer directly from the original licensor rather than depending on an intermediary’s authority to sublicense. (creativecommons.org)\n\nThe licensor must hold the relevant rights or have authority to license them; authorship alone does not establish that authority. Creative Commons supplies the legal tools but does not grant permission on creators’ behalf. A license covers only rights the licensor can grant, not every element appearing in a publication. For example, a CC-licensed teaching presentation may contain a third-party photograph reproduced under a copyright exception. Licensing the presentation does not license that photograph, and excluded material can be identified separately to distinguish its status from the surrounding content. (creativecommons.org)\n\nCopyright permission is distinct from clearance of other rights. Section 2(b) of the 4.0 legal code excludes patent and trademark rights. It likewise does not license moral rights, privacy rights, or publicity and similar personality rights, although the licensor waives or agrees not to assert rights of these kinds that the licensor holds, where legally possible and only as necessary to exercise the licensed permissions. Consequently, a photographer’s CC license does not itself authorize uses requiring consent from a person depicted in the photograph. (creativecommons.org)\n\nExceptions and limitations operate independently of the license. Section 2(a)(2) expressly provides that when an applicable exception—such as fair use or fair dealing—permits a use, the license does not apply to that use and its conditions need not be satisfied. Similarly, attaching a CC notice cannot create copyright in material already in the public domain. A new edition may contain protected introductions or annotations, but licensing those contributions does not restrict reuse of the underlying public-domain text. (creativecommons.org)\n\nFree access concerns obtaining material without payment; reuse permission concerns what may legally be done with it. CC licensing expressly communicates reuse permissions rather than merely making a work readable online. Its suitability nevertheless depends on the material: Creative Commons generally directs software publishers toward software-specific licenses because CC licenses lack source-code distribution provisions and do not license patents. CC licenses can instead cover software documentation and separate artistic assets, such as game illustrations or music, without serving as the license for the program itself. (creativecommons.org)" }, { "heading": "The six licenses and their conditions", "text": "The six Creative Commons licenses combine four elements: Attribution (BY) requires credit when licensed material is shared; ShareAlike (SA) specifies the licensing terms for shared adaptations; NonCommercial (NC) limits the permitted purposes of reuse; and NoDerivatives (ND) withholds permission to share adaptations. All six include BY. These elements govern permission to exercise copyright and related rights, rather than transferring ownership of the original work. The copyright holder can continue using the work commercially or grant separate permissions beyond those offered by the selected license. (creativecommons.org)\n\nCC BY — Attribution permits copying, redistribution, remixing, and adaptation, including for commercial purposes. It does not require an adapter to license new contributions under CC BY, although the original material remains subject to its license. CC BY-SA — Attribution-ShareAlike permits the same activities but adds a condition when adapted material is shared: the adapter’s contributions must be licensed under the applicable ShareAlike terms or an explicitly recognized compatible license. Neither license requires adaptations to be published merely because they have been created. For example, a publisher may sell a translation of a CC BY-SA work, but sharing that translation activates ShareAlike; charging for it does not itself violate the license. (creativecommons.org)\n\nCC BY-NC — Attribution-NonCommercial permits copying, redistribution, and adaptation only for noncommercial purposes. CC BY-NC-SA — Attribution-NonCommercial-ShareAlike adds the obligation to apply the prescribed ShareAlike terms when adaptations are shared. Thus, a noncommercial revision of a teaching resource may be distributed under either license, but BY-NC-SA additionally governs the license applied to the adapter’s contributions. NC means that a use is not primarily intended for or directed toward commercial advantage or monetary compensation. It is a restriction on the use, not simply a prohibition on selling copies, and it applies to adaptations as well as unchanged material. (creativecommons.org)\n\nThe NC test does not classify users solely by organizational status. A nonprofit or charitable organization can make a commercial use, while a for-profit company can make a noncommercial use; the circumstances and purpose of the particular activity matter. Accordingly, neither nonprofit status nor free distribution automatically establishes compliance. The version 4.0 definition also expressly treats exchanging copyrighted material through digital file-sharing or similar means as noncommercial when no monetary compensation accompanies the exchange. (creativecommons.org)\n\nCC BY-ND — Attribution-NoDerivatives permits redistribution of unadapted material, including commercially. CC BY-NC-ND — Attribution-NonCommercial-NoDerivatives permits such redistribution only for noncommercial purposes. In version 4.0, ND does not prohibit every private modification: both licenses permit producing and reproducing adapted material, but do not authorize sharing it publicly; BY-NC-ND additionally limits that production and reproduction to noncommercial purposes. A privately prepared translation therefore differs from a publicly distributed translation. Necessary technical changes, such as converting a file format, do not by themselves create adapted material under the licenses. Earlier versions did not expressly grant the same permission to produce unshared adaptations, making the version number significant. These restrictions do not override independent copyright exceptions, including applicable fair use. (wiki.creativecommons.org)" }, { "heading": "Public-domain dedication and identification", "text": "CC0 1.0 Universal is a legal instrument through which a rights holder dedicates a work to the public domain to the fullest extent permitted by law. Its scope includes copyright and related rights held by the person making the dedication, called the “affirmer,” including applicable rights in performances, sound recordings, and databases. Section 2 of its legal text provides for a permanent waiver covering all territories, media, and purposes, including commercial exploitation, for the maximum duration of those rights. Where a waiver is legally ineffective, section 3 supplies a royalty-free, nonexclusive, unconditional, irrevocable public license. If part of that fallback license is also ineffective, the affirmer undertakes not to exercise remaining rights contrary to the instrument’s stated purpose. These mechanisms seek to accommodate legal systems that do not permit complete abandonment of copyright. (creativecommons.org)\n\nThe Public Domain Mark serves a different function: it identifies an existing copyright status rather than changing that status. Released on October 11, 2010, the mark is intended for works believed to be free of known copyright restrictions worldwide. Unlike CC0, it can be applied by someone other than a rights holder—for example, a museum documenting the status of an old work in its collection. Applying the mark neither waives rights nor grants a license; its usefulness depends on the accuracy of the underlying status assessment. At its launch, Creative Commons announced Europeana’s planned adoption as an early application within the cultural heritage sector. (wiki.creativecommons.org)\n\nCC0 differs from the six standard Creative Commons licenses because it imposes no attribution condition. Within the copyright and related rights it effectively clears, recipients may reproduce, modify, distribute, and commercially reuse material without naming the affirmer. Attribution can nevertheless remain relevant under scholarly citation practices, professional standards, or institutional policies: removing a copyright condition does not remove those separate expectations. A researcher’s citation of a CC0 dataset, for example, can document the source of evidence without being a condition of copyright permission. A request for credit accompanying CC0 is therefore distinct from the legally enforceable Attribution condition in the six licenses. (wiki.creativecommons.org)\n\nPublic-domain status is territorial because jurisdictions differ in copyright duration, protected subject matter, and historically applicable formalities such as renewal. A work may consequently be unprotected in one country but protected in another. Creative Commons gives United States government works as an example: their public-domain status under United States copyright law does not necessarily establish their status elsewhere. The organization therefore does not recommend the Public Domain Mark for works known to have this mixed status. CC0 instead addresses whatever rights the affirmer holds across jurisdictions, although mandatory legal rules can limit the effectiveness of the dedication. (wiki.creativecommons.org)\n\nNeither tool automatically clears independent third-party rights. A photographer’s CC0 dedication, for example, does not extinguish privacy or publicity rights belonging to a person depicted in the photograph. CC0 expressly leaves trademark and patent rights unaffected, and it cannot surrender copyright belonging to another contributor. Similarly, the Public Domain Mark does not certify that every possible use is unrestricted: its explanatory deed notes that privacy, publicity, or persisting moral rights may remain relevant. Both tools distinguish freedom from copyright restrictions from clearance under every applicable body of law. (creativecommons.org)" }, { "heading": "Legal text, readable summaries, and machine-readable metadata", "text": "Creative Commons licenses have three complementary layers: the legally operative legal code, the plain-language Commons Deed, and machine-readable licensing information. The legal code specifies the grant of permission, conditions, definitions, and other provisions governing use of the material. Its legally significant elements include the license title and version number, section ordering, numbering, and textual emphasis—not every element of the surrounding webpage. CC maintains published licenses at stable canonical addresses; changing a page’s navigation or visual design does not necessarily change its legal text. For example, on June 27, 2018, CC updated design elements of the version 4.0 legal-code pages without altering the legal code. (creativecommons.org)\n\nThe Commons Deed provides an accessible account of the principal permissions and conditions, with a link to the complete legal code. The CC BY 4.0 deed, for example, groups permissions under sharing and adapting, then identifies attribution and the prohibition on additional restrictions. It also notes that other rights can affect a proposed use. The deed explicitly states that it is not a license and has no legal value: its explanatory wording does not replace the operative provisions. This distinction allows a short, readable interface to communicate the license’s main features without presenting that interface as a complete legal instrument. (creativecommons.org)\n\nStandardized abbreviations, symbols, and hyperlinks connect these layers. A label such as CC BY 4.0 identifies both a particular license and its version; a generic CC logo alone does not identify the applicable terms. License buttons and accompanying text can link to the deed, which links onward to the legal code. Version numbers matter because provisions differ between releases. Any jurisdiction designation also identifies a particular legal instrument: versions 3.0 and earlier included jurisdiction-specific “ported” licenses, rather than merely translations of one text. By contrast, official translations of version 4.0 are intended as linguistic equivalents of the international license. (creativecommons.org)\n\nThe Creative Commons Rights Expression Language (CC REL), documented in a specification published on March 3, 2008, describes how licensing information can be expressed using the Resource Description Framework (RDF) and attached to works. Its vocabulary distinguishes a work from its license: cc:license associates the work with a license, while cc:permits, cc:requires, and cc:prohibits describe permissions, requirements, and prohibitions. Other properties include cc:legalcode, which identifies the legal text, and cc:attributionName and cc:attributionURL, which supply attribution information. Such metadata can be embedded in webpages through RDFa, a method of adding structured data to HTML, or in supported files through XMP metadata. (wiki.creativecommons.org)\n\nMachine-readable declarations support information retrieval by giving software recognizable relationships rather than requiring it to interpret a badge or arbitrary prose. A search engine can use licensing information to filter results—for example, to identify photographs marked with licenses permitting adaptations. These declarations nevertheless record licensing claims, not verified ownership: metadata does not establish that the person marking a photograph held its copyright or had authority to license it. CC does not require licensors to register, and a machine-readable notice is not a certificate of rights clearance. The distinction is between discovering material described as reusable and establishing that the stated permission was validly granted. (creativecommons.org)" }, { "heading": "Attribution, compliance, and continuing permissions", "text": "Under version 4.0, attribution obligations arise when licensed material is shared with the public, including in modified form. Section 3(a) requires retention of information supplied by the licensor: identification of creators and designated attribution parties, including a pseudonym where specified; a copyright notice; a license notice; a notice referring to the disclaimer of warranties; and a source URI or hyperlink where reasonably practicable. Reusers must identify the applicable license and provide its text or a link, indicate modifications, and preserve indications of earlier modifications. These requirements concern more than simply naming the author. (creativecommons.org)\n\nAttribution is flexible rather than tied to one prescribed layout. The medium, means, and context of sharing determine what is reasonable; a link to a resource containing the required information can satisfy the conditions. Thus, an online image credit can link to a consolidated attribution page rather than reproduce every notice beside the image. Acknowledgment does not authorize an assertion that the creator sponsors, endorses, or is officially connected with the reuse. If the licensor requests removal of supplied attribution information, it must be removed to the extent reasonably practicable. (creativecommons.org) Unlike earlier versions, 4.0 does not separately require the work’s title, although CC recommends retaining it when supplied. Cropping a photograph or publishing an excerpt are examples of changes requiring identification. (creativecommons.org)\n\nContinuing permission also depends on preserving recipients’ ability to exercise the licensed rights. Reusers may not impose additional legal terms or technological measures that legally restrict activities the license permits. (creativecommons.org) For example, digital rights management that prevents recipients from copying material they are licensed to redistribute conflicts with this condition unless separately authorized by the rights holder. A password-protected distribution site is not necessarily incompatible: controlling initial access differs from restricting what recipients may subsequently do with their copies. The relevant distinction is whether the restriction prevents exercise of the licensed rights, not simply whether access involves a technical barrier. (creativecommons.org)\n\nThe permissions are irrevocable for recipients who comply with the terms and last for the duration of the licensed copyright and similar rights. A creator may stop distributing the material, remove the original download, or offer it subsequently under different terms, but these actions do not cancel permissions already granted. People who retain access to a licensed copy may continue redistributing it under the original license. Withdrawal of the creator’s own distribution therefore differs from withdrawal of recipients’ reuse rights. (creativecommons.org)\n\nNoncompliance, however, automatically terminates the noncompliant user’s rights under the license. Version 4.0 provides automatic reinstatement from the date a violation is corrected, provided correction occurs within 30 days of the user’s discovery of the violation—not necessarily within 30 days of its occurrence. Express reinstatement by the licensor is another route. Consequently, correcting an omitted attribution within that discovery-based period can restore permission without a separate reinstatement agreement. This mechanism is not a period during which noncompliance is authorized: reinstatement does not extinguish the licensor’s right to seek remedies for the earlier violation. (creativecommons.org)" }, { "heading": "Adaptations, compatibility, and internationalization", "text": "An adaptation incorporates or transforms existing material in a way that requires permission under applicable copyright law; a collection brings together separate works without necessarily adapting them. A translation of a protected essay ordinarily constitutes an adaptation, whereas an anthology containing the unchanged essay alongside other contributions is a collection. The distinction depends on applicable law and the particular transformation, not merely on whether several works appear together. CC licenses also expressly classify synchronizing licensed music, performances, or sound recordings with moving images as producing adapted material. Thus, using a recording as a film soundtrack is treated differently from including it as a separate track in an audio compilation. (creativecommons.org)\n\nShareAlike governs the licensing of an adapter’s contributions when adapted material is shared; it does not automatically require every independent work in a collection to use the same license. Under CC BY-SA 4.0, the adapter must use BY-SA 4.0, a later version with the same license elements, or an expressly designated compatible license. The adapter does not acquire ownership of the underlying work, which remains subject to its original license. Consequently, a collection may contain separate BY-SA and BY-NC-SA works, but combining those works into one adaptation can create incompatible obligations: BY-SA does not permit adding a NonCommercial restriction, while BY-NC-SA requires that restriction for the adaptation. Separate permission from the relevant rights holders can resolve a combination that the public licenses alone do not authorize. (creativecommons.org)\n\nCompatibility is version-specific and requires more than broadly similar sharing objectives. Creative Commons recognized the Free Art License 1.3 as compatible with BY-SA 4.0 on October 21, 2014, and the GNU General Public License version 3 on October 8, 2015. GPLv3 compatibility is expressly one-way: contributions to adaptations of BY-SA 4.0 material may be licensed under GPLv3, but this designation does not authorize licensing adaptations of GPLv3 material under BY-SA 4.0. These approvals do not extend automatically to every earlier BY-SA version or to BY-NC-SA. (creativecommons.org)\n\nEarlier license suites included jurisdiction-specific “ports,” prepared by legal experts to align wording with local legislation and legal terminology. Porting was therefore a legal localization process, not simply translation. Version 3.0 already offered a jurisdiction-neutral international text alongside ports; version 4.0, released in 2013, was designed to operate internationally without jurisdiction-specific rewriting. Its official linguistic translations express the same license rather than creating distinct national licenses. Under CC’s translation policy, established on October 29, 2013, the English original and approved translations are treated as equivalents, with legal review and public consultation forming part of the translation process. (wiki.creativecommons.org)\n\nVersion 4.0 also expressly licenses sui generis database rights where the licensor holds them and they apply to the use. These rights protect investment in a database, rather than the originality protected by copyright. Several layers can therefore coexist: copyright in an original selection or arrangement, copyright in individual contents such as photographs or poems, and database rights restricting substantial extraction or reuse. Purely factual entries do not become copyrightable merely because they appear in a protected database, and licensing the database does not supply permissions for third-party contents that the licensor lacks authority to license. (creativecommons.org)\n\nSection 4 of BY-SA 4.0 expressly permits extraction, reuse, reproduction, and sharing of all or a substantial portion of licensed database contents. If those contents are incorporated into another database in which the reuser holds sui generis database rights, that new database—not its individual contents—is treated as adapted material for ShareAlike purposes. Sharing it therefore triggers the applicable adaptation-licensing requirements without automatically placing every separately protected item under BY-SA. This database-specific rule supplements, rather than replaces, obligations arising from copyright in the contents or structure. (creativecommons.org)" }, { "heading": "Adoption in education, research, and cultural institutions", "text": "In education, CC licensing distinguishes material that is merely free to read from material that teachers and learners may revise and redistribute. UNESCO’s Recommendation on Open Educational Resources (OER), adopted on 25 November 2019, defines OER through permissions for no-cost access, reuse, repurposing, adaptation, and redistribution, whether supplied by an open license or public-domain status. These permissions support translating lessons, replacing examples to suit local curricula, combining chapters, and creating accessible formats. An open textbook therefore functions not only as a free digital publication but also as an editable teaching resource. OpenStax, for example, provides free online and PDF textbooks and permits instructors to customize their contents; its licensing guidance specifies CC BY-NC-SA 4.0, requiring attribution, noncommercial use, and ShareAlike distribution of adaptations. The particular license determines the permitted reuse, rather than the absence of a purchase price. (unesco.org)\n\nIn open-access scholarship, CC licenses provide reusable publication terms alongside access to the article itself. PLOS applies CC BY 4.0, or comparable unrestricted licenses, to its publications: authors retain copyright, while others may reproduce, distribute, and adapt the work with appropriate attribution. Research repositories apply related mechanisms to datasets and their descriptions. Zenodo requires a license field and defaults to CC BY 4.0, but permits depositors to select other licenses; reuse of deposited data follows the terms attached to that record. Its metadata are separately released under CC0, except for email addresses. Thus, permission to aggregate catalog descriptions does not necessarily establish permission to reuse every associated data file. This separation makes licensing explicit at different levels of a research collection. (journals.plos.org)\n\nWikipedia and other Wikimedia projects illustrate licensing within collaborative publishing. The Wikimedia Foundation announced their transition from CC BY-SA 3.0 to CC BY-SA 4.0 on 29 June 2023, following an update to its Terms of Use. The change placed covered text contributions under the newer international license, supporting redistribution and adaptation, including commercial reuse, with attribution and ShareAlike obligations. It did not give every image, recording, or other media file the same license as the surrounding article. Wikimedia Commons identifies the applicable license or public-domain status on each file-description page; a file may carry CC BY, CC BY-SA, multiple alternative licenses, or another qualifying status. Reusing an illustrated article consequently involves distinguishing the text’s terms from those of its individual media files. (diff.wikimedia.org)\n\nUNESCO’s Open Access Publications portal combines an institutional deposit policy with explicitly identified reuse terms. Its published policy provides for resources issued on or after 1 July 2013 to enter the portal immediately after publication; earlier publications are added progressively on a case-by-case basis, while externally published resources may have an embargo of up to twelve months. The portal encompasses books, journals, magazines, audiovisual presentations, and data. Most resources carry CC BY-SA, but UNESCO expressly notes that some have other terms displayed with the work. The policy therefore does not make its entire publication archive subject to one uniform license: the individual publication’s notice determines its permissions. (unesco.org)\n\nSmithsonian Open Access illustrates a museum institution’s use of CC0 rather than an attribution-based license. At its February 2020 launch, the initiative offered 2.8 million digital items, including images and collection data, for reuse without further Smithsonian permission. Eligible CC0 assets may be modified, redistributed, and used commercially without mandatory attribution. The release does not encompass every digitized object: some records provide CC0 metadata while withholding associated media because of copyright or other limitations, and other assets carry “usage conditions apply” notices. Smithsonian names and trademarks are excluded, and third-party privacy, publicity, or trademark rights may remain relevant even to CC0-marked assets. Collection data are available through a public API and a GitHub repository, enabling bulk reuse as well as individual downloads. (si.edu)" }, { "heading": "Judicial interpretation and practical limits", "text": "In Drauglis v. Kappa Map Group, LLC, decided on August 18, 2015, Judge Amy Berman Jackson of the United States District Court for the District of Columbia granted summary judgment to a publisher that had used Art Drauglis’s photograph “Swain’s Lock” on a commercial street atlas. Drauglis had uploaded the photograph to Flickr under CC BY-SA 2.0, which permitted commercial reuse. The court treated the atlas as a collection of independent works, not an adaptation of its cover photograph; consequently, ShareAlike did not require licensing the entire atlas under CC BY-SA. (cases.justia.com)\n\nThe court also accepted the back-cover attribution and license identification. It compared the photograph’s credit with the credits for individual maps, rather than with the atlas-wide copyright notice, and found its prominence sufficient. Although the publisher supplied no license web address, the court held that identifying “CC-BY-SA 2.0” satisfied that license’s requirement to include a copy of the license or its Uniform Resource Identifier. These findings concerned the wording of version 2.0 and a particular printed publication: they do not establish that every license abbreviation, attribution placement, or use of a photograph within another work satisfies every CC license. The decision’s significance as legal precedent therefore depends on the license text, factual circumstances, and jurisdiction in which a later dispute arises. (legaldb.creativecommons.org)\n\nA separate practical limit concerns the authority behind a license notice. Applying a CC label does not establish ownership of copyright, authenticate an uploader’s authorization, or clear third-party material embedded in a work. Search filters and repository metadata can also misidentify licensing status. CC licenses generally disclaim warranties unless the licensor separately provides them, including assurances of copyright ownership or permission to incorporate third-party content. Nor do they grant trademark or patent rights, or third parties’ privacy and publicity rights. A correctly licensed photograph, for example, is not necessarily accompanied by a model release from an identifiable person depicted in it. These are distinct questions from whether the user has complied with attribution or ShareAlike: a license notice communicates offered permissions, not a warranty of complete rights clearance. (creativecommons.org)\n\nThe use of CC-licensed material as training data for artificial intelligence introduces a further distinction between licensed permission and statutory authorization. When copying or another relevant act is permitted by an applicable copyright exception, such as fair use, the user need not rely on the CC license for that act, and its conditions are not triggered. Where permission is required and the user relies on the license, its applicable restrictions remain relevant. Dataset acquisition, training, redistribution of source material, and publication of outputs can involve different acts requiring separate analysis; permission for one does not automatically resolve the others. (creativecommons.org)\n\nOn May 15, 2025, Sarah Hinchliff Pearson published Creative Commons’ “Understanding CC Licenses and AI Training: A Legal Primer.” The accompanying analysis distinguishes conservative compliance practices from circumstances in which compliance is legally required. It identifies NonCommercial as relevant to uses requiring copyright permission, while locating attribution, ShareAlike, and NoDerivatives obligations principally at the point of public sharing of works or adaptations. Whether a trained model or particular output constitutes an adaptation remains a separate question, not something established merely by including a work in a training dataset. The primer represents CC’s published legal analysis, rather than a judicial determination that all AI training is exempt, that all models are adaptations, or that one interpretation governs every jurisdiction. (creativecommons.org)" } ], "links": [ "copyright", "internet", "wikipedia", "public-domain", "music", "film", "photography", "database", "education", "culture", "translation", "patent", "trademark", "fair-use", "software-documentation", "museum", "cultural-heritage", "html", "information-retrieval", "search-engine", "unesco", "legal-precedent", "training-data", "artificial-intelligence" ], "sources": [ { "title": "History", "url": "https://creativecommons.org/history/" }, { "title": "History", "url": "https://wiki.creativecommons.org/wiki/History" }, { "title": "License Versions", "url": "https://wiki.creativecommons.org/wiki/License_Versions" }, { "title": "Announcing (and explaining) our new 2.0 licenses", "url": "https://creativecommons.org/2004/05/25/announcingandexplainingournew20licenses/" }, { "title": "Comments Period Drawing to a close for Draft License Version 2.5", "url": "https://creativecommons.org/2005/05/29/commentsperioddrawingtoaclosefordraftlicenseversion25/" }, { "title": "Version 3.0 Launched", "url": "https://creativecommons.org/weblog/entry/7249" }, { "title": "CC’s Next Generation Licenses — Welcome Version 4.0!", "url": "https://creativecommons.org/2013/11/25/ccs-next-generation-licenses-welcome-version-4-0/" }, { "title": "Frequently Asked Questions - Creative Commons", "url": "https://creativecommons.org/faq/" }, { "title": "Global Network Charter - Creative Commons", "url": "https://creativecommons.org/mission/global-community/charter/" }, { "title": "Global Community - Creative Commons", "url": "https://creativecommons.org/community/" }, { "title": "Chapters Archive - CC Global Network", "url": "https://network.creativecommons.org/chapter/" }, { "title": "Governance - CC Global Network", "url": "https://network.creativecommons.org/governance/" }, { "title": "Governance - Creative Commons", "url": "https://creativecommons.org/governance/" }, { "title": "Legal Code - Attribution 4.0 International - Creative Commons", "url": "https://creativecommons.org/licenses/by/4.0/legalcode.en" }, { "title": "Considerations for licensors and licensees - CC Public Wiki", "url": "https://wiki.creativecommons.org/wiki/Considerations_for_licensors_and_licensees" }, { "title": "Sharing Openly, Sharing Globally - Creative Commons", "url": "https://creativecommons.org/cc-licenses/" }, { "title": "Legal Code - Attribution-ShareAlike 4.0 International", "url": "https://creativecommons.org/licenses/by-sa/4.0/legalcode.en" }, { "title": "Legal Code - Attribution-NonCommercial-NoDerivatives 4.0 International", "url": "https://creativecommons.org/licenses/by-nc-nd/4.0/legalcode.en" }, { "title": "License Versions", "url": "https://wiki.creativecommons.org/wiki/License_Versions%23Licenses" }, { "title": "Legal Code - CC0 1.0 Universal - Creative Commons", "url": "https://creativecommons.org/publicdomain/zero/1.0/legalcode.en" }, { "title": "CC0 FAQ - Creative Commons", "url": "https://wiki.creativecommons.org/wiki/CC0_FAQ" }, { "title": "Public Domain Mark - Creative Commons", "url": "https://creativecommons.org/public-domain/pdm/" }, { "title": "Creative Commons launches Public Domain Mark; Europeana and Cultural Heritage Institutions lead early adoption - Creative Commons", "url": "https://creativecommons.org/2010/10/11/creative-commons-launches-public-domain-mark-europeana-and-cultural-heritage-institutions-lead-early-adoption-2/" }, { "title": "Public domain - Creative Commons", "url": "https://wiki.creativecommons.org/wiki/Public_domain" }, { "title": "Deed - CC0 1.0 Universal - Creative Commons", "url": "https://creativecommons.org/publicdomain/zero/1.0/" }, { "title": "Deed - Public Domain Mark 1.0 Universal - Creative Commons", "url": "https://creativecommons.org/publicdomain/mark/1.0/" }, { "title": "Legal Code Defined - Creative Commons", "url": "https://creativecommons.org/legal-code-defined/" }, { "title": "Deed - Attribution 4.0 International - Creative Commons", "url": "https://creativecommons.org/licenses/by/4.0/" }, { "title": "CC REL - Creative Commons", "url": "https://wiki.creativecommons.org/wiki/CC_REL" }, { "title": "Describing Copyright in RDF - Creative Commons Rights Expression Language", "url": "https://creativecommons.org/ns" }, { "title": "Legal Code - Attribution-NonCommercial 4.0 International - Creative Commons", "url": "https://creativecommons.org/licenses/by-nc/4.0/legalcode.en" }, { "title": "Compatible Licenses - Creative Commons", "url": "https://creativecommons.org/compatible-licenses/" }, { "title": "Legal Code Translation Policy - Creative Commons", "url": "https://wiki.creativecommons.org/wiki/Legal_Code_Translation_Policy" }, { "title": "Recommendation on Open Educational Resources (OER)", "url": "https://www.unesco.org/en/legal-affairs/recommendation-open-educational-resources-oer?hub=422" }, { "title": "Free college textbooks, peer-reviewed | OpenStax", "url": "https://openstax.org/higher-education" }, { "title": "Licensing information for OpenStax textbooks", "url": "https://help.openstax.org/s/article/Licensing-information-of-OpenStax-textbooks?nocache=https%3A%2F%2Fhelp.openstax.org%2Fs%2Farticle%2FLicensing-information-of-OpenStax-textbooks" }, { "title": "PLOS One: Licenses and Copyright", "url": "https://journals.plos.org/plosone/s/licenses-and-copyright" }, { "title": "Licenses and rights | Zenodo", "url": "https://help.zenodo.org/docs/deposit/describe-records/licenses/" }, { "title": "Policies | Zenodo", "url": "https://about.zenodo.org/policies/" }, { "title": "Stepping into the future: Wikimedia projects’ transition to Creative Commons’ 4.0 license", "url": "https://diff.wikimedia.org/2023/06/29/stepping-into-the-future-wikimedia-projects-transition-to-creative-commons-4-0-license/" }, { "title": "Commons:Reusing content outside Wikimedia/licenses", "url": "https://commons.wikimedia.org/wiki/Commons%3AReusing_content_outside_Wikimedia/licenses" }, { "title": "Access thousands of free publications | UNESCO", "url": "https://www.unesco.org/en/open-access/resources" }, { "title": "CC Legal Database: Drauglis v Kappa Map Group", "url": "https://legaldb.creativecommons.org/en/cases/4/" }, { "title": "Drauglis v. Kappa Map Group, LLC: Memorandum Opinion", "url": "https://cases.justia.com/federal/district-courts/district-of-columbia/dcdce/1:2014cv01043/166825/39/0.pdf?ts=1439987006" }, { "title": "Understanding CC Licenses and AI Training: A Legal Primer", "url": "https://creativecommons.org/2025/05/15/understanding-cc-licenses-and-ai-training-a-legal-primer/" }, { "title": "Using CC-Licensed Works for AI Training", "url": "https://creativecommons.org/using-cc-licensed-works-for-ai-training-2/" } ], "license": "https://creativecommons.org/licenses/by/4.0/" }