There are countless examples of anticompetitive conduct going all the way back to prehistory. The legal vocabulary around it pretty extensive. Since this is HN

There are countless examples of anticompetitive conduct going all the way back to prehistory. The legal vocabulary around it pretty extensive. Since this is HN though maybe these will ring a bell : * Intel's rebate program (https://www.ftc.gov/news-events/news/press-releases/2010/08/ftc-settles-charges-anticompetitive-conduct-against-intel https://www.ftc.gov/news-events/news/press-releases/2010/08/...) which ended up with a $1.2B payment to AMD * Microsoft's notorious antitrust case (https://en.wikipedia.org/wiki/United_States_v._Microsoft_Corp https://en.wikipedia.org/wiki/United_States_v._Microsoft_Cor....) * AT&T abusing its monopoly status and being broken up (https://en.wikipedia.org/wiki/United_States_v._AT%26T https://en.wikipedia.org/wiki/United_States_v._AT%26T) Honestly this is such an obvious notion that the fact that you're asking for examples is suspect on its own.