antitrust law
noun[CorU]
ukusLAW
alawthatpreventscompaniesfromworkingtogether tocontrolpricesunfairlyor tocreateamonopoly(= asinglecompanyorsmallgroupofcompaniesthat is the onlysupplierof something), or theareaoflawthatdealswith these things:
Competitors whocolludetofixpriceswould bebreakingantitrustlaws.
Thelegalproblemsunderantitrustlawstartwhen onecompany, orcooperative,conspireswith another tomovethemarket.
Federalantitrustlawpreventscompetitorsin anyfieldfrom settingprices
See also
competition law