The Texas attorney general is accusing Google of unreasonably withholding thousands of documents in an anti-trust investigation into its search policies.
Samsung's under investigation by the European Commission over possible monopoly abuse - just as the company learns it's failed in its attempt to overturn a ban on selling the Galaxy Tab 10.1 in Germany.
Google's introduced one of its biggest-ever changes to search, tapping Google+ results to give more personal results in a move that some observers suggest may contravene US anti-trust legislation.
The European Commission has launched an anti-trust investigation into Samsung, over allegations that it's abused FRAND patents as part of its war with Apple.
Google is fighting back against an anti-trust inquiry ordered by Texas' attorney general, saying that some of the companies making complaints have links to Microsoft.
Google has confirmed that the Department of Justice is to expand its investigation into its proposed acquisition of flight information software provider ITA Software.
The Federal Trade Commission and Department of Justice are considering investigating Apple over anti-trust concerns relating to mobile devices - they just need to decide which of them will handle the investigation.
