Google lawyer accuses rivals, including Apple, Oracle and Microsoft in the operation of an anticompetitive strategy to stifle innovation and raise prices

Google has accused Apple, Microsoft, Oracle, and "other enterprises" to try to Android smartphones more expensive for consumers by an "enemy, organized campaign" against him by "bogus patents" purchased from the bankrupt Canadian company, Nortel and its existing patent holdings.

His chief legal officer, David Drummond, claims that the company actually creating a "tax" to push up the price for Android devices. "Microsoft and Apple have always at each other \, the necks, so if they get into bed together, you have to start asking yourself, what 's going on," Drummond wrote in a blog post.

And was rejected - but Microsoft has again asserted his General Counsel Brad Smith on Twitter that Google invited Microsoft to jointly bid for the affected Nortel's patents. Representatives from Apple and Oracle declined comment.

Drummond claimed that the rival company with a "anti-competitive strategy, [which] is also the escalating cost of patents far beyond what they re 'really value" with them and stifling innovation.

Drummond wrote that "in this case, we thought it was important to talk and make clear that we 're determined to keep Android as a competitive advantage consumer choice, by stopping those who try to stifle it are ".

He said: "Microsoft and Apple 's profit of $ 4.5 billion (? 2.7 billion) for Nortel' s patent portfolio was almost five times greater than the pre-auction estimate of $ 1 billion fortune the law Frowned on the accumulation of dubious patents for anti-competitive means -. which means these deals likely to attract regulatory scrutiny, and this patent will bubble ".

A consortium including Microsoft, Apple and RIM, Nortel won the bid for the patents that cover a range of communications technologies, to a consortium of Google and Intel. Google had made a preliminary bid of $ 900m before the auction, but was eventually outbid despite large reserves of cash.

Drummond says: "include a phone could be as many as 250,000 (largely questionable) to claims and our competitors, a" tax "for this dubious patents that Android devices costs more to the consumer imposed they want to make it harder for. to the manufacturers sell Android devices. Instead of competing with the construction of new facilities or equipment, they are struggling through a lawsuit. "

Microsoft is suing Motorola and Barnes & Noble, and claims that the use of Android patents that it believes violated, while Apple has filed a series of similar lawsuits assert claims against other companies.

HTC has admitted that it is paying Microsoft a set amount for each Android device it sells. The amount has not been disclosed but it is believed to be between $5 and $15.

Apple has recently won a decision in the U.S. that infringe patents HTC for the iPhone. And Oracle is currently suing Google in a multi-billion-dollar lawsuit alleges that Android violated copyright law in terms of its Java programming language, acquired through the purchase of Sun Microsystems.

Google launched its Android mobile operating system at the end of 2007 with the first mobile phones appear about a year later. It makes it available free of charge handset manufacturers, in contrast to companies like Microsoft, which at $ 15 per handset using its Windows Mobile software fees.

Android phones have exploded in popularity so that more than a third of all smartphones sold around the world. The platform has the former leader Nokia, the disclosure of the Symbian operating system is suppressed for Windows Mobile. Apple and RIM have their own mobile operating systems that do not license.

Google has been hampered by a lack of intellectual property in wireless telephony, which has exposed it to patent-infringement lawsuits from rivals such as Oracle.

Drummond says Google is looking to strengthen its patent portfolio, and recently bought more than 1,000 patents from IBM. It is also estimated to buy in talks to InterDigital, a key supporter of wireless patents at more than $ 3 billion, according to the Wall Street Journal.

The most valuable patents covering uses his "PageRank" search algorithm for the organization of search results not used: it has an exclusive license from Stanford University, where Sergey Brin and Larry Page developed it. Although the PageRank patent is now available for licensing, Google has the right to determine who the license.

Patent acquisitions are expected to accelerate, with IBM and Kodak often mentioned as shopping for intellectual property on the market.