Oracle acquisition of Sun

The acquisition of Sun Microsystems by Oracle Corporation was completed on January 27, 2010. Significantly, Oracle, previously only a software vendor, now owned both hardware and software product lines from Sun (e.g. SPARC Enterprise and Java, respectively).

A major issue of the purchase was the fact that Sun was a major competitor to Oracle, raising many concerns among antitrust regulators, open source advocates, customers, and employees. The EU Commission delayed the acquisition for several months over concerns of Oracle's plans for MySQL, Sun's competitor to the Oracle Database. The commission finally approved the takeover, apparently pressured by the United States to do so, according to a cable released in September 2011.

In late 2008, Sun was approached by IBM to discuss a possible merger. At about the same time, Sun also began discussions with another company, widely rumored but unconfirmed to be Hewlett Packard, about a potential acquisition. By March 2009, talks had stalled between Sun and both IBM and the other potential suitor.

On April 20, 2009, Sun and Oracle Corporation announced that they had entered into a definitive agreement under which Oracle would acquire Sun for $9.50 a share in cash. Net of Sun's cash and debt, this amounted to a $5.6 billion offer from Oracle. Sun's shareholders voted to approve the proposal on July 16, 2009, although the deal was still subject to regulatory approvals. Terms of the agreement between Oracle and Sun included dependencies on the antitrust laws of "the United States and Canada, European Union, China, Israel, Switzerland, Russia, Australia, Turkey, Korea, Japan, Mexico and South Africa".

On August 20, 2009, it was reported that the U.S. government, pursuant to the Clayton Antitrust Act, approved Oracle's purchase of Sun.

On September 3, 2009, the European Commission announced that it would not immediately approve the deal, but would instead perform a second round of investigation, focusing on the implications of Oracle's control of MySQL (acquired by Sun in 2008).

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