The Marriage Law Project (MLP) is a public interest legal aid organization founded in 1996.
William C. Duncan is Assistant Director of the Marriage Law Project.
It provides information regarding headline news, current legislative progress, various arguments against same-sex marriage, case and statute law, news reports, and links to other resources.
The Marriage Law Project is a frequent contributor as a spokesperson in the cultural homosexuality debates, especially from a Roman Catholic point of view.
MLP participated in filing the injunction against San Francisco when that city's clerk decided to issue same-sex marriage licenses.