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Civil Procedure

University of Pennsylvania Carey Law School

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Empirical legal studies

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Full-Text Articles in Law

Class Certification In The U.S. Courts Of Appeals: A Longitudinal Study, Stephen B. Burbank, Sean Farhang Jan 2021

Class Certification In The U.S. Courts Of Appeals: A Longitudinal Study, Stephen B. Burbank, Sean Farhang

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There is a vast literature on the modern class action, but little of it is informed by systematic empirical data. Mindful both that there have been few Supreme Court class certification decisions and that they may not provide an accurate picture of class action jurisprudence, let alone class action activity, over time, we created a comprehensive data set of class certification decisions in the United States Courts of Appeals consisting of all precedential panel decisions addressing whether a class should be certified from 1966 through 2017, and of nonprecedential panel decisions from 2002 through 2017.

In Section I, through a …


Mootness Fees, Matthew D. Cain, Jill E. Fisch, Steven Davidoff Solomon, Randall Thomas Jan 2019

Mootness Fees, Matthew D. Cain, Jill E. Fisch, Steven Davidoff Solomon, Randall Thomas

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In response to a sharp increase in litigation challenging mergers, the Delaware Chancery Court issued the 2016 Trulia decision, which substantively reduced the attractiveness of Delaware as a forum for these suits. In this Article, we empirically assess the response of plaintiffs’ attorneys to these developments. Specifically, we document a troubling trend—the flight of merger litigation to federal court where these cases are overwhelmingly resolved through voluntary dismissals that provide no benefit to the plaintiff class but generate a payment to plaintiffs’ counsel in the form of a mootness fee. In 2018, for example, 77% of deals with litigation were …


American Pipe Tolling, Statutes Of Repose, And Protective Filings: An Empirical Study, David Freeman Engstrom, Jonah B. Gelbach Mar 2017

American Pipe Tolling, Statutes Of Repose, And Protective Filings: An Empirical Study, David Freeman Engstrom, Jonah B. Gelbach

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This paper offers a conceptual and empirical analysis of a key issue that overhangs CalPERS v. ANZ Securities, soon to be decided by the Supreme Court. In particular, the paper offers an empirical estimate of the plausible quantity of wasteful protective filings that putative class members might make if the Court were to hold that American Pipe tolling does not apply to statutes of repose in the federal securities laws.


Class Actions And The Counterrevolution Against Federal Litigation, Stephen B. Burbank, Sean Farhang Jan 2017

Class Actions And The Counterrevolution Against Federal Litigation, Stephen B. Burbank, Sean Farhang

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In this article we situate consideration of class actions in a framework, and fortify it with data, that we have developed as part of a larger project, the goal of which is to assess the counterrevolution against private enforcement of federal law from an institutional perspective. In a series of articles emerging from the project, we have documented how the Executive, Congress and the Supreme Court (wielding both judicial power under Article III of the Constitution and delegated legislative power under the Rules Enabling Act) fared in efforts to reverse or dull the effects of statutory and other incentives for …


The Subterranean Counterrevolution: The Supreme Court, The Media, And Litigation Retrenchment, Stephen B. Burbank, Sean Farhang Jan 2016

The Subterranean Counterrevolution: The Supreme Court, The Media, And Litigation Retrenchment, Stephen B. Burbank, Sean Farhang

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This article is part of a larger project to study the counterrevolution against private enforcement of federal law from an institutional perspective. In a series of articles emerging from the project, we show how the Executive, Congress and the Supreme Court (wielding both judicial power under Article III of the Constitution and delegated legislative power under the Rules Enabling Act) fared in efforts to reverse or dull the effects of statutory and other incentives for private enforcement. An institutional perspective helps to explain the outcome we document: the long-term erosion of the infrastructure of private enforcement as a result of …


Can We Learn Anything About Pleading Changes From Existing Data?, Jonah B. Gelbach Jan 2015

Can We Learn Anything About Pleading Changes From Existing Data?, Jonah B. Gelbach

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In light of the gateway role that the pleading standard can play in our civil litigation system, measuring the empirical effects of pleading policy changes embodied in the Supreme Court's controversial Twombly and Iqbal cases is important. In my earlier paper, Locking the Doors to Discovery, I argued that in doing so, special care is required in formulating the object of empirical study. Taking party behavior seriously, as Locking the Doors does, leads to empirical results suggesting that Twombly and Iqbal have had substantial effects among cases that face Rule 12(b)(6) motions post-Iqbal. This paper responds to …


Rethinking Summary Judgment Empirics: The Life Of The Parties, Jonah B. Gelbach Jan 2014

Rethinking Summary Judgment Empirics: The Life Of The Parties, Jonah B. Gelbach

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No abstract provided.


Litigating Toward Settlement, Christina L. Boyd, David A. Hoffman Jan 2013

Litigating Toward Settlement, Christina L. Boyd, David A. Hoffman

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Civil litigation typically ends when the parties compromise. While existing theories of settlement primarily focus on information exchange, we instead examine how motion practice, especially non-discovery motions, can substantially shape parties’ knowledge about their cases and thereby influence the timing of settlement. Using docket-level federal district court data, we find a number of strong effects regarding how motions can influence this process, including that the filing of a motion significantly speeds case settlement, that granted motions are more immediately critical to settlement timing than motions denied, and that plaintiff victories have a stronger effect than defendant victories. These results provide …


Transforming Punishment Into Compensation: In The Shadow Of Punitive Damages, Tom Baker Jan 1998

Transforming Punishment Into Compensation: In The Shadow Of Punitive Damages, Tom Baker

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No abstract provided.