[OSM-legal-talk] Copyprotection for OSM based material

Matthias Meißer digi_c at arcor.de
Fri Nov 25 17:42:14 GMT 2011

Thanks for this statement Richard :)

Have a nice weekend

Am 25.11.2011 11:56, schrieb Richard Fairhurst:
> !i! wrote:
>> But to be hornest, we aren't legal experts, so it would be great to
>> get a statement of people that are more aware of all of the legal aspects.
> 1. You cannot apply extra conditions to the licence (CC-BY-SA 4a, as you
> say).
> 2. Your website may have its own terms of use that restrict how you extract
> the data from that site (e.g. "no scraping"), but these may not limit what
> you do with the data once you've downloaded it.
> 3. CC-BY-SA indeed does not require that you publish the useful source data.
> (ODbL does.)
> 4. CC-BY-SA does not permit you to distribute DRMed versions: "You may not
> distribute, publicly display, publicly perform, or publicly digitally
> perform the Work with any technological measures that control access or use
> of the Work in a manner inconsistent with the terms of this License
> Agreement." (ODbL does _but_ only if you also offer a version without such
> measures.)
> cheers
> Richard
> --
> View this message in context: http://gis.638310.n2.nabble.com/OSM-legal-talk-Copyprotection-for-OSM-based-materil-tp7030609p7030708.html
> Sent from the Legal Talk mailing list archive at Nabble.com.
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