See the following -

Why Open Drug Discovery Needs Four Simple Rules For Licensing Data And Models

Antony J. Williams, John Wilbanks, and Sean Ekins | PLoS Computational Biology | September 27, 2012

As we see a future of increased database integration, the licensing of the data may be a hurdle that hampers progress and usability. We have formulated four rules for licensing data for open drug discovery, which we propose as a starting point for consideration by databases and for their ultimate adoption. Read More »