 He has been a visiting professor at the University of Chicago Law School, Harvard Law School, the University of Texas Law School, and Yale Law School.In the area of democracy, Pildes, along with the co-authors of his widely used casebook, "The Law of Democracy", has helped to create a new field of study in law schools.Pildes is a leading scholar on the topics of the Voting Rights Act, alternative voting systems (such as cumulative voting), the history of disfranchisement in the United States, and the general relationship between constitutional law and democratic politics in the design of democratic institutions themselves.