1990
Federal Trade Commission begins investigating Microsoft's software marketing practices. Focuses on the possible anticompetitive nature of "tie-in" sales of applications and operating systems.

1993
Justice Department takes over the investigation.

1994
Microsoft and Justice Department reach a settlement that regulates Microsoft's marketing practices through the year 2000. Microsoft agrees that OS licenses must not contain conditions that apply to other MS software.

DOJ files suit to halt Microsoft's $2 billion acquisition of Intuit.

1995
Microsoft and Intuit cancel merger plans to avoid a legal fight.

U.S. District Judge Stanley Sporkin refuses to sign the '94 settlement, saying it does not go far enough.

U.S. Appeals Court overturns Sporkin's decision.

U.S. District Judge Thomas Jackson approves the settlement.

Justice Department says that it will continue its investigation of Microsoft. Looks at whether the MS plan to bundle Microsoft Network with Win 95 is anticompetitive.

Under the 1995 court order, Microsoft is prohibited from forcing computer makers to license any other Microsoft product as a condition of licensing Windows 95.

1996
Netscape files a complaint with the Justice Department, alleging Microsoft used unfair and anticompetitive practices in promoting its Internet Explorer browser. Netscape charges that Microsoft offered computer makers a $3 discount on Windows 95 software if the vendor did not install Navigator. Microsoft denies the allegation.

Justice Department requests documents from Microsoft regarding its browser agreements with computer manufacturers and sellers.

Justice Department asks Netscape for documents for a formal investigation of Microsoft. The investigation is still pending.