ESP Wiki is looking for moderators and active contributors!
2008 Berkeley Patent Survey
2008 Berkeley Patent Survey is a paper published in the USA.
EFF's Bilski v. Kappos brief mentions that this survey found much lower patent ownership in software companies than in biotech or medical companies.[1]
There's more interesting info in the abstract.
Related pages on ESP Wiki
External links
http://papers.ssrn.com/sol3/papers.cfm?abstract_id=1429049