Prohibition of technical measures

The prohibition of technical measures relates primarily to DRM technologies (Digital rights management). DRM technologies restrict the use of a work, e.g. the distribution of a CD with copy protection that negates the right of reproduction, the right to distribute and...

No reversion

Once a work is distributed under a CC licence, this can practically no longer be reversed. In legal terms, all licence agreements would have to be cancelled with the consent of every person who has received a copy. The very task of finding everyone who owns a copy –...

Different versions

All six CC licences are updated from time to time, which is why different versions exist (e.g. CC-BY 2.0, CC-BY-3.0; CC-BY-SA 3.0, etc.). The current version is 4.0. A work must always be used in the manner that is permitted in the specific licence version. Are the...

Distribution conditions

Uses of CC works which are permitted under copyright law are not subject to any distribution conditions. Indeed, the uses of CC works permitted under copyright law do not require a licence from the copyright holder, i.e. no contract is required; for this reason,...

5.11-3 I want to report on the official event (barbeque on the lake shore) organized two days ago by the University for its administrative staff, on my blog. Can I use some videos reporting on the event found on local information websites?

In principle yes, you are allowed to use the excerpts of some videos found on local information websites to report on the event organized by the University, under the condition that the event is still current and interesting for the public I reach with my blog. In...