In the case of Securities and Exchange Commission v. United States Realty & Improvement Co., 1939, the Supreme Court ruled in favor of the Securities and Exchange Commission (SEC). The SEC had filed a suit against U.S. Realty & Improvement Co., alleging that they were not complying with certain provisions of the Public Utility Holding Company Act of 1935, specifically those related to financial disclosures. The company argued that these requirements were unconstitutional as they violated their Fifth Amendment rights against self-incrimination. However, the court disagreed stating that corporations do not have such privilege under this amendment because it is meant for natural individuals only and cannot be extended to artificial entities like corporations. Therefore, companies must comply with regulatory laws requiring them to disclose financial information even if it may potentially incriminate them.

The dissenting opinion in the case of SECURITIES AND EXCHANGE COMMISSION v. UNITED STATES REALTY & IMPROVEMENT CO., 1939, argued that the majority's decision to allow the Securities and Exchange Commission (SEC) to force United States Realty & Improvement Co. into reorganization under Section 77B of the Bankruptcy Act was an overreach of power by a government agency. The dissenters believed that this action violated constitutional principles because it allowed a federal agency to interfere with private contracts without due process or just compensation for property taken, which is protected under Fifth Amendment rights. They also expressed concern about potential misuse or abuse of such powers by governmental agencies in future cases if left unchecked.