Changes

We will be hard pressed to find a graph that can map technological development over the last 5 years reliably. Other measures of technological development we can use and compare to patent litigation trends: total patent grants, venture capital investment amount, R&D spending in the high tech sector...

'''Hypothesis 3: Data that supports increased costs to innovation rely on broad and confusing definitions for NPEs and PAEs'''

*A March 10, 2015 letter signed by 40 economists argued that papers claiming high direct costs of patent trolls misconstrue innocent NPEs, such as universities, as patent trolls. The broad definition of NPEs increases the number of cases filed by supposed trolls and the number of court fees accumulated through lawsuits.[http://cpip.gmu.edu/wp-content/uploads/2015/03/Economists-Law-Profs-Letter-re-Patent-Reform.pdf]

*Adam Mossoff specifically critiques aforementioned Unified Patents data for its broad definition of NPEs.[http://cpip.gmu.edu/2015/07/15/its-time-to-say-no-to-junk-science-in-the-patent-policy-debates/]

'''Hypothesis 4: Patent legislation should not be targeting the reform of demand letters'''

Recently proposed legislation includes changes to the form of demand letters. The Innovation Act in particular requires the party alleging patent infringement to include in the initial complaint:

*Identification of each patent allegedly infringed