In Broadrick et al. v. Oklahoma et al., the U.S Supreme Court was asked to consider whether an Oklahoma statute that prohibited state employees from engaging in partisan political activities violated the First and Fourteenth Amendments of the Constitution. The plaintiffs, who were state employees, argued that this law infringed on their rights to freedom of speech and association. However, the court ruled against them in a 6-3 decision stating that while certain applications of this law might be unconstitutional, it did not mean that the entire statute should be invalidated as overbroad or vague under constitutional scrutiny. The majority opinion held by Justice White emphasized on "overbreadth doctrine" which states laws restricting freedoms protected by First Amendment can only be struck down if they are substantially overbroad - meaning significantly more than necessary to protect legitimate government interests.

In the dissenting opinion for Broadrick et al. v. Oklahoma et al., Justice Brennan, joined by Justices Douglas and Marshall, argued that the statute in question was overly broad and vague, infringing upon First Amendment rights of free speech and association. They contended that it prohibited a substantial amount of constitutionally protected political activity without narrowly defining its prohibitions to only cover actual abuses of public office for personal or partisan gain. The justices believed this could lead to self-censorship out of fear from potential punishment under unclear regulations. Furthermore, they disagreed with the majority's application of the "overbreadth" doctrine which allows courts to strike down laws that may inhibit constitutionally protected activities even if they also prohibit legitimate ones; arguing instead that any law restricting fundamental freedoms must be precisely tailored to serve compelling state interests while minimizing infringement on constitutional rights.