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Intellectual Property Law

Selected Works

Alex Stein

Law and Economics

Publication Year

Articles 1 - 2 of 2

Full-Text Articles in Law

Intellectual Property Defenses, Alex Stein, Gideon Parchomovsky Oct 2013

Intellectual Property Defenses, Alex Stein, Gideon Parchomovsky

Alex Stein

This Article demonstrates that all intellectual property defenses fit into three conceptual categories: general, individualized, and class defenses. A general defense challenges the validity of the plaintiff’s intellectual property right. When raised successfully, it annuls the plaintiff’s right and relieves not only the defendant, but also the entire world of the duty to comply with it. An individualized defense is much narrower in scope: Its successful showing defeats the specific infringement claim asserted by the plaintiff, but leaves the plaintiff’s right intact. Class defenses form an in-between category: They create an immunity zone for a certain group of users to …


The Relational Contingency Of Rights, Alex Stein, Gideon Parchomovsky Dec 2011

The Relational Contingency Of Rights, Alex Stein, Gideon Parchomovsky

Alex Stein

In this Article, we demonstrate, contrary to conventional wisdom, that all rights are relationally contingent. Our main thesis is that rights afford their holders meaningful protection only against challengers who face higher litigation costs than the rightholder. Contrariwise, challengers who can litigate more cheaply than a rightholder can force the rightholder to forfeit the right and thereby render the right ineffective. Consequently, in the real world, rights avail only against certain challengers but not others. This result is robust and pervasive. Furthermore, it obtains irrespectively of how rights and other legal entitlements are defined by the legislator or construed by …