Washington University Law Review, Vol. 99, No. 6, 2022
Washington University in St. Louis Legal Studies Research Paper No. 22-06-02
63 Pages Posted: 24 Jun 2022
Date Written: June 21, 2022
Few would find it surprising that an agreement for sex falls outside the bounds of contract law. Prostitution—defined as an exchange of sex for money—has long been a crime, a point that courts often make in declining to enforce agreements between unmarried partners. In fact, courts routinely invalidate contracts when sex forms the basis of a couple’s bargain, whether married or not, and whether the sex is explicit or inferred from the relationship itself.
A closer look at the legal treatment of sexual agreements, however, tells a more complicated story. Although courts reject sex as consideration for being “meretricious” or “immoral” and invoke the illegality of prostitution as the reason for this limit, sex not only can form a part of some contracts, it is inherent to the very definition of certain relationships. While courts reject private agreements between spouses regarding sex, they nonetheless deem sex “essential” to the existence of marriage, and they quantify just how much sex matters when considering loss of consortium claims. Moreover, several contemporary developments cast doubt on the proposition that sex, or a perceived similarity to prostitution, must always doom agreements. In the parentage context, for example, legislatures and courts increasingly treat paid surrogacy arrangements as enforceable contracts, rejecting earlier arguments that emphasized the parallels to illegal sex work. Courts have also become more willing to acknowledge parentage agreements that involve sexual conception, and surrogate partner sex therapy and adult entertainment employment have escaped legal sanction. Beyond the incipient recognition of sexual arrangements as legal contracts, contract-based ideas have become salient in contemporary sexual regulation. Modern understandings of crimes like rape and sexual assault emphasize sexual autonomy and make consent and its absence the pivotal considerations, displacing earlier elements of force, resistance, gender, and nonmarriage.
This Article juxtaposes the traditional approach to sexual contracts with the emerging convergence of sex and contract. In so doing, this Article argues that what is frustrating couples’ contracts, both in and out of marriage, is neither sex, nor prostitution, but rather marriage itself. Given that sex is not actually differentiating the contracts that courts enforce from those they do not and given the various inequities that result from the current system, this Article ends by considering what it would mean to carry the contractual approach to its logical conclusion by recognizing sex itself as subject to contract.
Keywords: Sexual agreements, sexual contracts, prostitution, sex for money, contract law, sex, contracts, marriage, parentage agreements, sex as contract
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