On 08/04/2015 18:27:24, David Prosser <david.pros...@rluk.ac.uk> wrote:
Once the paper has been offered under a CC-BY license that license is
‘irrevocable’. Does ‘irrevocable’ not mean what I think it does? Further, also
under Scope:
If you think that 'irrevocable' means that the copyright holder is not able to
stop distributing it under CC-BY, and then distributing under another license,
then no, that is not what it means.
It means that you can not remove any rights acquired by someone that has been
given to them by the CC-BY licence which was granted to them at the time they
retrieved the paper.
So - e.g. Elsevier - could change the licence on papers served by their
website, and that would affect anyone obtaining it from the website after that
point. But they could not do anything to restrict the rights of anyone that has
already downloaded the paper under a CC-BY licence (which would include
redistribution, including with the same licence for further users).
re: No downstream restrictions.
Here, it does not prevent anyone re-issuing the paper that they have acquired
with different licence terms - you would need an -SA variant to do that.
What it says is that when offering the paper under CC-BY you can't add barriers
that prevent the person acquiring the paper from being able to exercise all the
rights afforded to them under CC-BY.
If you take the example of ReadCube read access links - you could not issue a
(version of the) paper with a CC-BY licence within a print / copy restricted
reader. But you could take a CC-BY paper - that would be a technological
restriction. But you could take the CC-BY paper and re-issue it under a
different licence within a restricted reader; providing that it wasn't e.g.
CC-BY-SA licence.
G
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