Google has won an appeal against a €1.5 billion competition fine from the European Commission in a victory for the Big Tech group as it comes under growing scrutiny from Brussels regulators.

The EU’s Google cases marked the centrepiece of antitrust chief Margrethe Vestager’s bid to rein in Silicon Valley.

Google has successfully overturned a €1.49 billion EU antitrust fine related to its AdSense platform, highlighting mixed results in Margrethe Vestager's Big Tech crackdown. Qualcomm, however, saw only a slight reduction in its fine for predatory pricing practices.

Google won a legal challenge Wednesday against a €1.49 billion ($1.66 billion) antitrust fine from the European Union, while chipmaker Qualcomm failed to repeal a penalty.

Alphabet unit Google won its challenge on Wednesday against a 1.49 billion euro ($1.66 billion) antitrust fine imposed five years ago for hindering rivals in online search advertising, a week after it lost a much bigger case.

Google successfully contested a 1.49 billion euro EU antitrust fine related to its AdSense platform. The ruling comes amidst outgoing EU antitrust chief Margrethe Vestager's mixed track record in court.

After years of back and forth, the EU's General Court has annulled a hefty fine it was ordered to pay over how it displayed advertisements.

The rulings underscore outgoing EU antitrust chief Margrethe Vestager's mixed record in defending her crackdown on Big Tech in court. She scored two major wins last week against Google in a separate case and against Apple's tax deal with Irish authorities.