HISTORY OF DEV

April 3, 2000

U.S. judge rules Microsoft violated antitrust law

On April 3, 2000, U.S. District Judge Thomas Penfield Jackson ruled that MicrosoftThe software giant behind Windows, Office, Azure, and Xbox — founded by Bill Gates and Paul Allen. had violated antitrustLaws limiting monopolies and unfair competition — shaped landmark cases against Microsoft, Google, and Apple. laws by maintaining a monopoly through anti-competitive conduct — during the same month the dot-com bubble began to burst.

What it was for

United States v. Microsoft Corp.The findings targeted browser bundling and OEMOriginal equipment manufacturer — a company that builds devices sold under another brand's name. restrictions that had kneecapped NetscapeA commercial web browser company — Navigator defined the early consumer web.. Jackson later ordered a breakup (later reversed on appeal), but the case forced MicrosoftThe software giant behind Windows, Office, Azure, and Xbox — founded by Bill Gates and Paul Allen. to open APIs, document protocols, and accept oversight — influencing how regulators later treated Google, Apple, and Amazon.

Companies

  • Microsoft

Why it's here

The ruling was the defining antitrustLaws limiting monopolies and unfair competition — shaped landmark cases against Microsoft, Google, and Apple. moment of the PCPersonal computer — a computer designed for individual use, especially desktop or laptop machines. software era.

Why it mattered

It constrained how platform owners could bundle products and exclude rivals.

What it solved

Competitors argued Windows integration made independent browsers and middlewareSoftware between applications and lower-level systems — handles integration, messaging, or shared services. impossible to sell.

Media

  • United States v. Microsoft Corp.
    ImageUnited States v. Microsoft Corp.

    Aleutian island, Public domain, via Wikimedia Commons

Related