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  • Explanation of Antitrust Law

    On Our Site

  • Intel Investigated
  • U.S. v Microsoft

  •   Historic Cases

  • The Sherman Antitrust Act
  • The Clayton Antitrust Act
  • Methods of Enforcement
  • A Brief History
  • Mergers Awaiting Approval
  • Year: 1911
    Company: American Tobacco
    Result: Declared illegal monopoly; broken up into separate companies

    Year: 1911
    Company: Standard Oil
    Result: Broken up into separate oil refining and pipeline companies

    Year: 1920
    Company: U.S. Steel
    Result: No illegal monopoly found

    Year: 1982
    Company: IBM
    Result: Accused of being illegal monopoly; case dropped

    Year: 1983
    Company: AT&T
    Result: Accused of being illegal monopoly; broken up into one long-distance company and seven "baby bell" local phone companies

    Year: 1994
    Company: Microsoft
    Result: Accused of anti-competitive practices; settlement reached

    Year: 1998
    Company: Microsoft
    Result: Accused of using monopoly power to sell other products of 1998, Microsoft's monopoly status was yet to be defined by courts)

    © Copyright 1998 The Washington Post Company

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