Intellectual Property Law Commons^™

Discovering Ebay's Impact On Copyright Injunctions Through Empirical Evidence, Matthew Sag, Pamela Samuelson

Faculty Articles

This Article reports on new empirical evidence discrediting the widely held view that judges have resisted applying the Supreme Court’s teachings in eBay Inc. v. MercExchange, L.L.C. 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 …