[OSM-legal-talk] OSM based GPS navigations and ODbl license of OSM data

Frederik Ramm frederik at remote.org
Wed Jan 7 13:49:16 UTC 2015


On 01/07/2015 01:14 PM, Martin Koppenhoefer wrote:
> If the format is encrypted (or simply not documented)

Sectin 3.1 of the license lists a number of rights, including
"Extraction and Re-utilisation of the whole or a Substantial part of the
Contents; Creation of Derivative Databases; Creation of Collective

Section 4.7a says that you may not impose technological measures that
"have the effect or intent of restricting the ability of any person to
exercise those rights."

Encryption or DRM would clearly fall under this, but even an
un-documented data format could be said to "have the effect of

Section 4.7b says that you may violate 4.7a if you, in parallel,
distribute a non-encumbered version of the data. You could, for example,
distribute a highly compressed and efficiently packed version of your
data and keep the data format a secret if you, in parallel, distribute
an ASCII dump of the same.


Frederik Ramm  ##  eMail frederik at remote.org  ##  N49°00'09" E008°23'33"

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