'Embryonic Stem Cell Patents Banned': Theory of Knowledge

The embryonic stem cell debate generates strong and emotive knowledge issues, which is evidenced by the fact that the case was passed all the way up to the European Court of Justice.  With the ban on patenting methods based on the destruction of embryonic stem cells, we add the elements of patenting and intellectual ownership (and of course the knock-on effects to funding, progress and public perception).  After reading through, understanding and discussing several resources, what knowledge issues can be identified?