The former boss of Google,, Apple hinted in July that esab jealous of Android. Now the company's accusations go further. In a corporate blog, vice president of legal affairs, David Drummond, said that Apple, Microsoft, Oracle and some other are united in a "hostile campaign" against Android. Reason ¿?. The success of Google's operating system for mobile, according to its figures, has 550,000 daily activities and has been adopted by 39 manufacturers and 231 operadoras.Las patent wars, strikes innovation, in this case have one goal: to make more expensive manufacturers to use Android (which Google licensed for free) operating system from Microsoft. Among the common strategies of these companies would be buying "old patents" Nortel and Novell by consortia with the participation of these companies and filing lawsuits against companies like HTC, Motorola and Samsung use Android for infringement of patents. " A smart phone, "says Drummond," could involve up to 250 000 patent claims, most questionable, and our competitors want to impose a "tax" for these dubious patents, which would increase the final price the consumer pays for a device Android. " Drummond says that these companies rather than compete with the innovation they want to do in court.The paper says that Apple and Microsoft and other companies in the consortium that bought the patents from Nortel paid a premium. 4,500 million dollars disbursed before the auction when the price was about a thousand. Drummond does not explain that Google also opted for this purchase, but its offer of $ 900 million was insufficient. "Fortunately, the law looks with suspicion the accumulation of patents dubious anti-competitive purposes, which means that this practice could be subject to regulatory scrutiny and bubble patents could explode."Drummond says Google stand up and increase its patent portfolio to reduce threats to Android. The company is pleased that the authorities are investigating whether the purchase of Nortel patents package was the end against the competition.Google refers to the recent purchase by a consortium of Apple, RIM, Microsoft, EMC, Ericsson and Sony package Nortel patents the company in bankruptcy, for 4,500 million (3,102 million) . The package comprises six thousand patents ranging from wireless communications systems solutions and oral communication optical or semiconductor group most sought patent refers to mobile communication technologies and LTE 4G.RIM would have provided $ 770 million, and Ericsson, 340. Nortel filed bankruptcy in January 2009.The purchase of patents dating from 2010, Novell made a consortium which integrated Microsoft, Apple, EMC and Oracle.In this war of patents, Samsung claims that Microsoft paid $ 15 (10.4 euros) for each phone that the Korean automaker sold equipped with Google's operating system, Android. Microsoft argues that Android phones infringe patents owned several.For its part, Apple has opened several lawsuits against manufacturers that use Android, and HTC.