Apple and Samsung started a patent trial in Federal Court in Australia on Monday.

Patent licensing company Intellectual Ventures is accusing the handset maker of infringing six patents.

Oracle is accusing Hewlett-Packard of fraud in connection with the companies' settlement agreement over the hiring of former HP CEO Mark Hurd, and wants the pact dissolved, according to a court filing Tuesday.

Microsoft filed an antitrust complaint against Google with the European Commission on Thursday, accusing Google of taking technical measures to squeeze Microsoft and other competitors out of the advertising and search markets.

Microsoft has filed a patent lawsuit against bookseller Barnes & Noble, accusing the company of running infringing software on its Android-based Nook e-reader.

Apple has been hit with another lawsuit accusing it of privacy violations for the way it shares information collected from iPhone, iPad and iPod Touch users with advertisers.

Software developer and political lobbyist Florian Mueller weighed in on the European Commission's investigation of monopoly abuse claims against IBM, accusing the computing giant of deserting the interests of the open-source software community.

Intel on Monday sharply criticized the European Commission, which found it guilty of anticompetitive behavior, accusing the regulator of being selective with evidence it looked at and, essentially, setting out to find the company guilty.