United States v. Microsoft Corp.

E436009

United States v. Microsoft Corp. was a major U.S. antitrust lawsuit in the late 1990s and early 2000s that challenged Microsoft's dominance in the personal computer operating systems market, particularly its practices related to bundling Internet Explorer with Windows.

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All labels observed (1)

Label Occurrences
United States v. Microsoft Corp. canonical 2

Statements (50)

Predicate Object
instanceOf United States federal court case
antitrust lawsuit
accusation attempted monopolization of the web browser market
illegal tying of web browser to operating system
monopolization of the personal computer operating systems market
appealCourt United States Court of Appeals for the District of Columbia Circuit NERFINISHED
appealOutcome affirmed monopoly finding
reversed some liability findings
vacated breakup remedy
country United States of America
court United States District Court for the District of Columbia NERFINISHED
decisionDate 2001-06-28
defendant Microsoft Corporation NERFINISHED
finding Microsoft engaged in anticompetitive conduct
Microsoft held monopoly power in the PC operating system market
Microsoft violated Section 2 of the Sherman Antitrust Act
fullName United States v. Microsoft Corporation NERFINISHED
impact influenced later technology antitrust enforcement
shaped legal analysis of software tying and bundling
initialDecisionDate 2000-06-07
initialRemedy order to break Microsoft into two separate companies
structural breakup of operating systems and applications businesses
judge Thomas Penfield Jackson NERFINISHED
jurisdiction United States of America
surface form: United States
keyIssue bundling Internet Explorer with Windows
exclusion of rival web browsers
maintenance of operating system monopoly
use of restrictive contracts with Internet service providers
use of restrictive contracts with OEMs
legalArea antitrust law
competition law
notableCompetitorInCaseNarrative Netscape Navigator NERFINISHED
plaintiff 20 U.S. state attorneys general
United States Department of Justice NERFINISHED
relatedConcept browser wars
relevantMarket Intel-compatible personal computer operating systems
relevantProduct Internet Explorer NERFINISHED
Microsoft Windows NERFINISHED
remedy behavioral remedies instead of breakup
creation of a technical committee to monitor compliance
requirements to share certain APIs with third-party developers
restrictions on exclusive dealing contracts
sectionApplied Section 1 of the Sherman Act NERFINISHED
Section 2 of the Sherman Act NERFINISHED
settlement consent decree between Microsoft and U.S. government
settlementDate 2001-11-02
startDate 1998-05-18
statute Sherman Antitrust Act NERFINISHED
timePeriod early 2000s
late 1990s

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

Sherman Antitrust Act landmarkCase United States v. Microsoft Corp.
Avie Tevanian testifiedIn United States v. Microsoft Corp.