Opera files a formal complaint with a Brazilian regulator, alleging that Microsoft is discouraging Windows users from trying ...

Opera has filed its anti-competition complaint in Brazil and says Microsoft is using ‘manipulative design tactics.’ ...

BRUSSELS (Reuters) -Norwegian browser maker Opera will file a complaint about U.S. tech giant Microsoft to Brazilian ...

Opera is filing an antitrust complaint against Microsoft in Brazil, alleging it creates an unfair environment for alternate ...

Opera filed a complaint against Microsoft, accusing it of unfairly promoting its browser to the detriment of others.

Brazil's antitrust enforcer CADE has opened an investigation into Microsoft, days after Norwegian browser Opera complained ...

This isn't a case of Microsoft against Opera. It's a case of Microsoft against the industry, with equally powerful players (like Google) on the other side. Google doesn't need the EC to help it out.

Microsoft has denied antitrust claims from Opera Software that it is abusing its dominant market position to lock users into the Internet Explorer Web browser. Written by Tom Espiner, Contributor ...

Opera Software, the Norwegian browser maker that sparked an antitrust probe into Microsoft's European business practices, said it is "very happy" with Microsoft's offer to provide users a choice ...

Browser software company, Opera, has complained to the European Commission over Microsoft's bundling of Internet Explorer with the Windows operating system -- but Microsoft says it's been doing it ...

Norwegian browser maker Opera filed a complaint about U.S. tech giant Microsoft to Brazilian antitrust authority CADE on Tuesday alleging its Edge browser has an unfair advantage, underscoring the ...