Seventh, on April 3, 2012, the EU antitrust authority launched two investigations of Motorola Mobility over concerns the company had abused its FRAND commitments made to SSO's involving the 2G and 3G telecommunications system, H.264 video compression, and wireless local area network (WLAN) standards. The investigations are a result of a February 22, 2012, Microsoft formal competition law complaint alleging that Motorola "has refused to make its [essential] patents available at anything remotely close to a [FRAND] price" and "attempting to block sales of Windows PCs, our Xbox game console and other products." The announcement of the investigations stated: