Discovering eBay's Impact on Copyright Injunctions Through Empirical Evidence

47 Pages Posted: 9 Aug 2021 Last revised: 31 Jan 2022

See all articles by Matthew Sag

Matthew Sag

Emory University School of Law

Pamela Samuelson

University of California, Berkeley - School of Law

Date Written: January 28, 2022

Abstract

This Article reports on new empirical evidence discrediting the widely held view that judges have resisted applying the Supreme Court’s teachings in eBay v. MercExchange about injunctive relief in copyright cases. That 2006 patent law decision ruled that courts should not automatically issue injunctions upon a finding of infringement; instead, plaintiffs must prove their entitlement to injunctive relief. eBay had a seismic impact on patent litigation and greatly reduced the threat that small infringements could be leveraged into billion dollar settlements. Yet, prior empirical work, at least one major copyright law treatise, and many articles assert that eBay had little or no effect on in the neighboring arena of copyright law. They assert that eBay was rarely cited and infrequently applied. By examining a longer timeline of cases and more carefully distinguishing between default judgments and contested cases, we find substantial evidence that eBay has become profoundly important in copyright injunction cases. The decision’s true impact becomes apparent by looking at citations to eBay and related cases, as well as the language judges have been using to discuss the need to balance hardships to plaintiffs and defendants when considering whether to grant copyright injunctions. We also find evidence suggesting that injunctions have become more difficult to obtain in the aftermath of eBay. Our data suggest that the early impression that eBay had little impact in copyright cases was a product of hysteresis—a time lag between cause and effect—as lower courts initially resisted, but eventually embraced, eBay.

Keywords: Copyright, Remedies, Injunction, Empirical, eBay v MercExchange, Precedent, Selection effects

JEL Classification: K00, K11

Suggested Citation

Sag, Matthew and Samuelson, Pamela, Discovering eBay's Impact on Copyright Injunctions Through Empirical Evidence (January 28, 2022). Available at SSRN: https://ssrn.com/abstract=3898460 or http://dx.doi.org/10.2139/ssrn.3898460

Matthew Sag (Contact Author)

Emory University School of Law ( email )

1301 Clifton Road
Atlanta, GA 30322
United States

Pamela Samuelson

University of California, Berkeley - School of Law ( email )

Boalt Hall
341 North Addition
Berkeley, CA 94720-7200
United States
(510) 642-6775 (Phone)
(510) 643-2673 (Fax)

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