[OSM-legal-talk] Compatibility of new license with old

andrzej zaborowski balrogg at gmail.com
Fri Aug 27 16:56:04 BST 2010


On 27 August 2010 10:28, Rob Myers <rob at robmyers.org> wrote:
> On 08/27/2010 04:43 AM, jamesmikedupont at googlemail.com wrote:
>> I would like to know if the new license is compatible with the old one.
>> will we be able to use CC-SA-2.0 licensed data or we will have to get
>> new contracts with the donators of data?
>> for example, we have gotten much of the data for Kosovo donated under
>> written contract for CC-SA-20, many users helped import this data into
>> osm.
>> even if those users agree to relicense, it does not mean that the
>> original data can be relicensed.
>
> (I am not a lawyer, this is not legal advice.)
>
> The new licence is incompatible with the old. BY-SA 2.0 data cannot be
> placed under it without the rightsholder agreeing to relicence.

Indeed.

>
> But the new licence is more compatible with other licences (including the
> old) where you want to produce "mash ups" and other works that combine data
> from more than one source.

We're drifting offtopic, but possibly what you mean is that you can
combine tiles or other visual/audio works from more that one source.
You can't combine osm ODbL data with CC-By-SA data in another project
whereas you could until now.

Cheers



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