In the case of Kern County Land Co. v. Occidental Petroleum Corp., 1972, the U.S Supreme Court ruled on a dispute involving corporate takeover tactics and shareholder rights. The Kern County Land Company (KCL) had attempted to prevent a hostile takeover by Occidental Petroleum Corporation (OPC) through a defensive maneuver known as "Pac-Man defense". This involved KCL buying enough shares in OPC to take control of it instead. However, this was challenged by OPC who argued that KCL's actions were illegal under securities laws because they did not make an adequate cash tender offer for all outstanding shares before proceeding with their plan. The court ultimately sided with OPC, ruling that KCL's actions violated Section 14(e) of the Securities Exchange Act which prohibits manipulative or deceptive practices in connection with any tender offer. The decision clarified legal standards for corporate defenses against hostile takeovers and underscored shareholders' right to receive equal treatment during such transactions.

In the dissenting opinion for Kern County Land Co. v. Occidental Petroleum Corp., Justice William O. Douglas argued that the majority's decision undermined shareholder rights and gave too much power to corporate management in takeover situations, which could potentially lead to abuses of power and conflicts of interest. He believed that shareholders should have a right to decide whether or not they wanted their shares used as part of a defensive maneuver against a hostile takeover bid, rather than having this decision made by company executives without any input from shareholders themselves. Furthermore, he expressed concern about the potential negative impact on market competition if corporations were allowed to use such tactics unchecked.