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cc-licenses - Re: Downstream relicensing

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Subject: Development of Creative Commons licenses

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  • From: "Greg London" <email AT greglondon.com>
  • To: "Discussion on the Creative Commons license drafts" <cc-licenses AT lists.ibiblio.org>
  • Subject: Re: Downstream relicensing
  • Date: Wed, 9 Mar 2005 11:12:14 -0500 (EST)


drew Roberts said:
> Again, I would hope the confusion is only related to derivatives and not to
> re-licensing or sublicensing originals as to my reading of things, that is
> not permitted at all.

licenses of derivatives are always
equal to or more restrictive than
the license for the original.

You cannot take a work licensed CC-NC,
create a derivative of that work and
license it CC-PD.

The only thing that ShareAlike
changes in this equation is that
derivative licenses can only
be equal to teh original license.

You can take a CC-NC work, create a
derivative, and add attribution as
another restriction, ending up with
CC-NC-BY.

If you take a CC-SA work and create a
derivative, you cannot add any restrictions,
you must license the work CC-SA.

But nothing allows you to create a
derivative of someone else's work
and license it less restrictively
than the original.

Well, nothing excepting contacting the
author and getting their permission.





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