ABSTRACT
Legal scholarship typically conceptualizes enforcement as operating directly on wrongdoers: either by enjoining them ex ante or by imposing monetary sanctions on them ex post. Yet across a wide range of legal fields, courts and lawmakers have long employed a different and largely untheorized instrument. Instead of sanctioning the wrongdoer directly, these doctrines deter misconduct by conferring a legal advantage on the wrongdoer’s rival: a business competitor, a litigation counterparty, or another strategically positioned actor. For example, when a patent holder forces customers to sign aggressive licensing agreements, courts may allow the patent holder’s competitors to freely infringe the patent. And in family law, when one parent alienates a child from the other, courts often respond not by fining the alienator parent but by granting the alienated parent additional visitation rights.
This Article is the first to systematically analyze this institutional design, which we term ‘rivalrous remedies’. In the process, the Article makes three contributions. Conceptually, it identifies the conditions under which regulating behavior indirectly – by empowering rivals – can outperform classic remedies. Rivalrous remedies can leverage the superior information and incentives of rivals. At the same time, these remedies operate effectively only in certain market structures and pose risks of overuse and spillover harms to third parties.
Descriptively, the Article demonstrates the prevalence of rivalrous remedies by analyzing nine doctrines across diverse legal fields: from false advertising to defamation law to civil procedure. While each doctrine has been criticized by scholars in their respective fields, viewing them through a common lens reveals a shared institutional logic: they emerged to address chronic underenforcement problems. In particular, these doctrines respond to underenforcement by shifting who enforces (not necessarily the direct victim) and/or how enforcement occurs (through largely self-executed mechanisms requiring minimal judicial involvement).
Normatively, the Article offers guidance for courts interpreting existing rivalrous remedies, identifying when they should be expanded, constrained, or combined with traditional remedies. It also proposes the adoption of a new rivalrous remedy in trade secret law to address enforcement failures surrounding consumers’ ‘right to repair’.
Shapira, Roy and Lavie, Shay, Rivalrous Remedies (April 7, 2026).
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