[OSM-legal-talk] Does importing data give you a copyright?

[John Smith]

On 16 September 2010 09:35, 80n <80n80n at gmail.com> wrote:
> Dave Hanson relicensed the TIGER data under CC-BY-SA when he contributed it
> to OSM.  If you received it from him you have to comply with his license
> terms.

Which is no different than BSD code ending up in Linux and being
released under GPL at which point changes etc can't be ported back to
BSD unless the author of any/all changes releases them under a BSD
compatible license.