ml at creativecommons.org
Thu Oct 14 12:34:07 EDT 2004
Greg London wrote:
> Rob Myers said:
> >Lots of work I'm finding is licensed CC-1.0 . My work is CC-2.0 . If I contact
> >the licensor and ask them nicely to upgrade to CC-2.0, what is the *minimum*
> >required to effect this change? Can I just get an email from them saying "yes,
> >I license this work 2.0" as sufficient proof?
You only need to ask permission to relicense or incorporate a 1.0
licensed work into a 2.0 licensed work with the same license save
version if the 1.0 license is ShareAlike.
>>Lots of work I'm finding is licensed CC-BY. My work is CC-BY-SA. If a work is
>>licensed CC-BY, I assume it cannot simply be mixed with CC-BY-SA. Is that
>>right? Again, if I ask the licensor nicely to offer the work BY-SA as a
>>dual-license alongside BY, can I just get a confirmation email from them? If
>>not, what's the minimum requirement?
> CC-BY is like a BSD with advertising clause, isn't it?
Not exactly. The advertising clause sepcifically refers to advertising,
> You should be able to make a CC-BY work MORE restrictive
> by applying CC-SA and satisfy the CC-BY requirements.
> well, assuming you're derived version includes the
> attribution requirements of the original CC-BY work.
> You can take CC-BY and make it CC-BY-SA.
> But you can't take CC-BY-SA and make it CC-BY.
> that's my non-lawyer understanding...
More information about the cc-licenses