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Litigation

Empirical

Series

University of Pennsylvania Carey Law School

2016

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Material Facts In The Debate Over Twombly And Iqbal, Jonah B. Gelbach Jan 2016

Material Facts In The Debate Over Twombly And Iqbal, Jonah B. Gelbach

All Faculty Scholarship

This paper presents empirical evidence concerning the adjudication of defendant-filed summary judgment motions from nearly 2,000 randomly selected employment discrimination and contracts cases to try to assess Twombly and Iqbal’s performance in filtering cases according to merit. I first explain how such data might be helpful in such an assessment, taking into account the possibility that parties’ behavior might have changed following Twombly and Iqbal.

I then report results indicating that even using this large collection of data -- the most comprehensive data assembled to date to address this question -- we cannot tell whether “TwIqbal” …