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Redistribution / licensing of Content Examples for open source projects

The UE4 EULA says this about the content examples:

There is no restriction on your Distribution of a Product made using the Licensed Technology that does not include any Engine Code or any Paid Content Distributed in uncooked source format (in each case, including as modified by you under the License) and does not require any Licensed Technology (including as modified by you under the License) to run (“Unrestricted Products”). For clarity, the foregoing does not constitute a license under any patents, copyrights, trademarks, trade secrets or other intellectual property rights, whether by implication, estoppel or otherwise.

1. (A) e. Distribution and sublicensing of Examples - You may Distribute or sublicense Examples (including as modified by you under the License) in Source Code or object code format to any third party. However, the rights in this Section 1(e) do not expand or modify your limited Distribution and sublicensing rights for Engine Code and Content (including as modified by you under the License) that are not Examples.
(emphasis added)

It would seem that we could then take the Starter Content (for example, the ThirdPersonBP character robot) and use it in open-source projects, potentially even ones not involving UE. But the actual license of this content is still a little unclear.

There is also the Non-Compatible Licenses section:

(ii) Non-Compatible Licenses

You may not combine, Distribute, or otherwise use the Licensed Technology with any code or other content which is covered by a license that would directly or indirectly require that all or part of the Licensed Technology be governed under any terms other than those of this Agreement (“Non-Compatible License”). Code or content under the following licenses, for example, are prohibited: GNU General Public License (GPL), Lesser GPL (LGPL) (unless you are merely dynamically linking a shared library), or Creative Commons Attribution-ShareAlike License. Code or content under the following licenses, for example, are allowed: BSD License, MIT License, Microsoft Public License, or Apache License. You may not sublicense the Licensed Technology under a Non-Compatible License.
(emphasis added)

What exactly can be done with the Examples? How, and under which licenses, can they be distributed to non-engine-licensees, if at all?

Product Version: UE 4.21
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asked Jan 03 '19 at 09:12 PM in Legal & Licensing

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Under the terms of the UE4 EULA, you can distribute Examples freely. However, they may not be licensed under "Non-Compatible Licenses" such as the GPL. Additionally, please note that Examples are limited to "Engine Code and Content made available by Epic in the Samples and Templates folders in the install directory or in the Content Examples projects available through the Marketplace."

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answered Jan 07 '19 at 04:31 PM

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SonsOfKorhal STAFF
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avatar image SilverWolf512 Jan 07 '19 at 05:09 PM

Thank you! So, just to clarify—they can't be used in most open-source software, since if we used e.g. BSD then they could be redistributed GPL down the line?

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