Microsoft made a similar argument last week when it filed its motion for a stay of the injunction. At that time, Microsoft warned of "massive disruptions" to its sales of Office, as well as to the sales of important partners, and named both Dell and HP. Dell and HP added their voices to the...

A Texas judge ruled Tuesday that Microsoft cannot sell one of its flagship products, Word, in the United States because of patent infringement. You read that right: Microsoft cannot sell Word, the judge ruled. Judge Leonard Davis, of the U.S. District Court for the Eastern District of Texas, ordered...

“Yesterday Microsoft received a Statement of Objections from the Directorate General for Competition of the European Commission. The Statement of Objections expresses the Commission’s preliminary view that the inclusion of Internet Explorer in Windows since 1996 has violated European competition law...

In an escalation of its fight for Yahoo , Microsoft will authorize a proxy fight at the Internet company this week, people briefed on the matter told DealBook. Unless Yahoo quickly reverses course and enters into talks, Microsoft would then seek to nominate a slate of directors to Yahoo’s board by March...

It is hard to figure out who to take with a bigger grain of salt: Microsoft and AT&T, or the politicians the companies testified in front of today. At issue is Google’s $3 billion pending acquisition of online-advertising firm DoubleClick. Opponents of the deal, including Microsoft and AT&T,...

Microsoft’s resounding defeat in a European antitrust case establishes welcome principles that should be adopted in the United States as guideposts for the future development of the information economy. The court agreed with European regulators that Microsoft had abused its operating system monopoly...

Will Microsoft change its approach to Windows development? Will it think twice next time before adding new functionality that could compete with standalone programs? Those are a couple of the big questions following the denial of the company's antitrust appeal Monday by the European Court of First...

In the coming seven days, Microsoft's EU and US antitrust cases will reach critical junctures. A routine US hearing tomorrow will likely be anything but routine. Elsewhere, an appeals court will issue a ruling on the validity of Microsoft's adverse antitrust case in Europe. The two cases follow...