After IBM gave away 100's of patents to open source development community, suddenly patents and Intellectual Property becomes one of the key attributes for open source licensing domain.
A great move from IBM, after sitting on top of tons of open source projects, what a smart way to utilize one of the largest patent list under their umbrella.
It is true shared open source innovation, makes true senses when IP is respected and followed in a right direction.
That's why FSF(Free Software Foundation)/Richard Stallman working on GPL next version, one of the most prominent and popular license in whole open source community. This rewrite is focused more for Patent and IP.