Corporate Law

Corporate Takeover Defense — Study Notes

Unocal Corp. v. Mesa Petroleum Co., 493 A.2d 946 (Del. 1985)

Study notes for Corporate Takeover Defense: professor notes, cold call prep, exam angles, and memory aids.

A corporate board may employ defensive measures against hostile takeovers if it reasonably perceives a threat and the response is proportionate to that threat.
Professor Notes

The case of Unocal Corp. v. Mesa Petroleum Co. serves as a cornerstone in understanding the legal parameters within which corporate boards can defend against hostile takeovers. Professors emphasize the necessity of establishing that the board has a reasonable belief that a takeover poses a threat to the corporate policy or effectiveness, which Unocal's board argued in this situation. It's critical to grasp the significance of proportionality in the defensive measures employed by the board, as the Delaware Supreme Court established a framework for reviewing such actions that balances shareholder interests against director discretion.

Additionally, discussions often focus on the evolution of corporate governance and the implications of this decision on the power dynamics between shareholders and boards of directors. This case illustrates the vital role of fiduciary duties and the complex nature of balancing aggressive corporate actions with the necessary legal protections for companies facing potential disruption from external forces.

Cold Call Prep
  1. 1What was the justification for Unocal's defensive measures?
  2. 2How does this case relate to the business judgment rule?
  3. 3What are the implications of this ruling for future hostile takeover situations?
  4. 4Can you explain the significance of the proportionality test introduced in Unocal?
  5. 5How did the court assess the perceived threat from Mesa's offer?
  6. 6What alternative defenses could Unocal have considered?
  7. 7What standards must a board meet to invoke a defensive measure like Unocal's self-tender offer?
Mnemonic Device

U-Trust-Can: Unocal indicated boards must Trust their judgment to assess a threat and Can respond if the actions are proportionate.

Distinguish From
CaseDistinction
Revlon, Inc. v. MacAndrews & Forbes Holdings, Inc.Revlon emphasizes when a board must maximize shareholder value during a sale; Unocal considers defense strategies when a threat is perceived without immediate sale considerations.
Smith v. Van GorkomVan Gorkom deals with the duty of care in director decision-making, while Unocal centers on the board's defensive maneuvers against perceived threats.
Dodge v. Ford Motor Co.Dodge primarily addresses the obligation to profit shareholders, while Unocal focuses on the ability of boards to defend the corporation’s long-term strategy.
Policy Arguments

For the Rule

Permitting boards to act defensively encourages them to protect corporate interests and maintain stability against aggressive takeover tactics that might not serve the company in the long-term.

Against the Rule

Allowing excessive discretion in defensive measures may enable boards to entrench themselves and act against shareholder interests, potentially stifling competition and corporate improvement.

Class Discussion Points
  • Discuss the implications of the proportionality test established in Unocal.
  • Analyze how the decision affects the dynamic between shareholders and corporate boards.
  • Consider alternative strategies a board might employ when facing a hostile takeover.
  • Evaluate the potential for abuse of defensive measures and the need for regulatory scrutiny.
  • Reflect on how the Unocal framework applies to modern corporate governance challenges.
Exam Angle

This case frequently appears on exams in discussions about corporate governance and board fiduciary duties, particularly related to takeover defenses and the balance of power within corporate control.

Ace Your Cold Calls with Briefly

Get AI-powered case briefs, study notes, and cold call prep for every case in your casebook.