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====Critiques====
====Other Findings====
===Government Accountability Office: Assessing Factors That Affect Patent Infringement Litigation Could Help Improve Patent Quality===
This study was mandated by Section 34 of the [[Leahy-Smith America Invents Act]]. The purpose of the study was to determine the consequences and effects of NPEs on patent litigation.[http://www.gao.gov/assets/660/657103.pdf]
====Findings====
====Data Sources====
*Lex Machina for patent lawsuits from 2007 to 2011.
**Lex Machina selected a sample of 500 lawsuits (100 lawsuits per year) to determine margin of error was 5% for combined years of 2007-2011 and 10% for any particular year.
*Data from RPX - Deemed sufficiently reliable for the purposes of the GAO report
====Critiques====
*"A limitation of [Lex Machina] categorization is that litigants were not contacted to verify their identity, so there is some uncertainty about the accuracy of the category in which Lex Machina placed them."
====Other Findings====
