HTC said it filed a complaint with the ITC, accusing Apple of infringing five of its patents. HTC's action was widely expected after Apple filed a patent infringement suit against the company in March.

Apple's move against HTC was seen as a proxy for an attack on Google Inc. Taiwan's HTC makes smartphones based on Google's Android software, which has gained ground on Apple's popular iPhone.

The ITC confirmed the complaint had been filed but said it had yet to put a copy on its website.

HTC, which did provide details on the patents in question, said it was seeking a ban on importation and sale of Apple's popular mobile devices in the United States. Apple, whose products are made in countries such as China, declined comment.

More: http://www.reuters.com/article/idUSTRE64B51T20100512

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