Memo: Antitrust: Commission initiates formal investigations against Microsoft in two cases of suspected abuse of dominant market position

The European Commission decided to initiate two formal antitrust investigations against Microsoft Corp concerning two separate categories of alleged infringements of EC Treaty rules on abuse of a dominant market position (Article 82). The first case where proceedings have been opened is in the field of interoperability in relation to a complaint by the European Committee for Interoperable Systems (ECIS). The second area where proceedings have been opened is in the field of tying of separate software products following inter alia a complaint by Opera.