You're missing the negative effects on innovation in your analysis of #7. It's estimated that the existence of patent trolls costs the economy $29 billion/year:

You're missing the negative effects on innovation in your analysis of #7. It's estimated that the existence of patent trolls costs the economy $29 billion/year: http://arstechnica.com/tech-policy/2012/07/new-study-same-authors-patent-trolls-cost-economy-29-billion-yearly/ http://arstechnica.com/tech-policy/2012/07/new-study-same-au...