Open Data Commons

Creative Commons has released the beta version of CCZero (or CC ∅). CCZero implements the Science Commons Protocol for implementing Open Access Data by waiving related intellectual property rights, including copyright and unfair competition. Open Data Commons also implements this protocol in the Public Domain Dedication and Licence with the accompanying Community Norms statement.
The homepage [...]

The issue of unfair competition has already come up on one of the discuss lists. The new Science Commons Protocol for Implementing Open Access Data mentions this area of law.
4.1 Converge on the public domain by waiving all rights based on intellectual property
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Thus, to facilitate data integration and open access data sharing, any implementation of [...]