When should I not use a Creative Commons licence?

Do not use a Creative Commons license when you need to control who can use your work, when you are licensing software code, when you do not own every right the work requires, or when the material must stay confidential. The six 4.0 licenses and the two public-domain tools operate on top of copyright and related rights only. They do not grant trademark, patent, privacy, or moral-rights clearance. They cannot be withdrawn from someone who already received the work while complying with the terms. That irreversibility is the decisive exception: once a work is out under an applicable license, you cannot revoke it from a compliant recipient. Before applying any tool, confirm that you own or control every right the license will cover. Check third-party samples, commissioned-work clauses, performer rights, and database rights. Then confirm the material is not better served by a different legal instrument.

Creative Commons is the steward of standard copyright licenses and public-domain tools. It is not a party to any individual license, does not register works, and does not verify ownership. The license applies only where copyright or similar rights require clearance. Exceptions such as fair use or fair dealing operate separately. If a planned use is already authorised by law, the license conditions do not apply to that use. That scope limitation means a CC license is the wrong tool for several common situations.

Software Code

Do not use a Creative Commons license for software code. Use a recognised free/open-source software license suited to source code, patents, and distribution. The dossier states this directly. Documentation, art, and other non-code assets may carry separate CC licenses if they are marked clearly. Apply a CC license to a software project and you create confusion about patent licensing, distribution rights, and compatibility with the wider open-source ecosystem. The official 4.0 terms explicitly do not license patent rights. A software license such as the GPL or Apache 2.0 does.

Trademarks and Logos

Do not apply a Creative Commons license to a trademark as though it granted trademark clearance. A CC license operates on copyright and, for 4.0, sui generis database rights. It does not license trademark rights. Mark a logo with a CC license and a reuser may believe they have permission to use the mark in a way that infringes trademark law. The logo may also be a work you do not fully control. Many logos include elements owned by a trademark holder or are protected by design-right or trade-dress laws separate from copyright.

Works You Do Not Control

Only the copyright holder, or someone with express authority, may apply a Creative Commons license. Confirm joint authors, employment ownership, commissioned-work terms, performer rights, samples, and third-party inclusions first. Possession of a CC-licensed copy is not a guarantee that the uploader owned all necessary rights or that every component is covered. A license notice should identify the work and creator, name and link the exact license and version, link the source where useful, and clearly exclude material not covered. Apply a license to material that includes a third-party photograph, a sample, or a performer whose rights you did not clear, and the license is invalid for that component. You may be liable for infringement.

Confidentiality-Sensitive Material

Do not apply a Creative Commons license to a work meant to remain confidential. The licenses grant worldwide, royalty-free, non-sublicensable, non-exclusive, irrevocable clearance for the term of the licensed copyright and similar rights. You cannot withdraw the license from people who already received it while complying with its terms. If the material contains trade secrets, personal data, health information, or pre-publication drafts, a CC license makes that material permanently available to anyone who obtains a copy. The licensor may stop distributing the work or offer it under other terms, but cannot claw back the clearance already given. Dual licensing is permitted. You can license the same work under different terms to different users, but the public CC offer remains in effect for anyone who already received it under those terms.

Every Creative Commons license is a public-facing offer that any member of the public may accept by using the work in a way that requires copyright clearance. That reach is the feature that makes CC licenses powerful for sharing. It is also the feature that makes them unsuitable for any situation where you need to control who can use the work, for what purpose, or for how long.

Reach

The license applies worldwide for the term of copyright. A recipient may not impose additional legal terms or effective technological measures that restrict another recipient's exercise of the licensed rights. Platforms with exclusive sublicensing terms, download restrictions, or DRM can create a conflict. Check current platform terms instead of assuming a CC badge resolves that conflict. The reach is global and permanent. There is no opt-out for specific countries, jurisdictions, or categories of users.

Compatibility

Combining material is not automatically lawful because each input uses a Creative Commons license. The ND condition may block sharing a combination if it is an adaptation. The SA condition may require a specific adapter's license. Two inputs can impose incompatible terms. Use the official compatibility chart and distinguish mere aggregation from an integrated adaptation. For adapted material under an SA license, apply the license named by the applicable SA clause or an officially designated compatible license. Do not assume two SA licenses are compatible. The official compatibility list controls.

Reversibility

On breach, rights under a 4.0 license terminate automatically. They are automatically reinstated from the date the violation is cured if it is cured within 30 days after the violator discovers it. The licensor may also expressly reinstate them. Cure does not erase possible liability for the period of violation. Older versions have different termination language and do not contain the same automatic 30-day mechanism. The licensor may stop distributing the work or offer it under other terms, but cannot withdraw the license from people who already received it while complying with its terms. This is the single most important trade-off: once you apply a CC license to a work and someone receives a copy while complying with the terms, that clearance is irrevocable.

If you realise you applied a Creative Commons license to material you should not have, the only lawful option is to stop distributing the work. Contact any platforms or recipients you can identify and ask them to remove or re-attribute the work. You cannot demand that a compliant recipient stop using the work. Dual-license the same work under different terms for future recipients. The public CC offer remains in effect for anyone who already received it under those terms. Separate clearance can waive a condition for a particular user without changing the public CC offer, but that does not undo the original license.