The U.S. Supreme Court case Nye & Nissen v. United States in 1948 revolved around the issue of whether a corporation and its officers could be held criminally liable for conspiring to defraud the United States by selling it goods at inflated prices during World War II. The defendants, an egg distribution company and its officials, were accused of colluding with others to sell eggs to the government at higher than market prices through rigged bids on contracts from 1941-43. They argued that they couldn't be prosecuted because their actions didn't directly harm or deceive any specific individual within the government but rather affected it as a whole entity. However, the Supreme Court upheld their convictions stating that such fraudulent activities are indeed punishable under federal law even if no particular official was deceived or harmed personally. The court reasoned that these acts undermined public confidence in governmental procurement processes and thus constituted fraud against the U.S., reinforcing corporations' duty not only towards individuals but also towards society as a whole.

In the dissenting opinion for Nye & Nissen v. United States, Justice Jackson argued that the majority's decision to uphold a conviction based on conspiracy to defraud the government was overly broad and could potentially criminalize any form of disagreement with governmental policy or action. He contended that such an interpretation would infringe upon First Amendment rights and undermine democratic principles by stifling dissent and criticism of government actions. Furthermore, he expressed concern over potential misuse of this ruling in future cases where individuals may be unjustly prosecuted for merely expressing their opposition to certain policies or practices. In essence, Justice Jackson cautioned against using conspiracy laws as a tool for suppressing political dissent and warned about its potential implications on free speech rights.