IBM again the focus of U.S. antitrust probe

The U.S. Department of Justice's decision to launch an antitrust inquiry into IBM's mainframe business could reignite a legal battle that started 40 years ago. However the current investigation plays out, it will be compared to an antitrust lawsuit the DOJ filed against IBM in 1969 -- starting perhaps the longest, most brutal antitrust case ever fought. That battle royale finally ended in 1982 when the case was dismissed after a six-year trial.

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