Taiwan chip designer Elan Microelectronics Corp. said it filed a suit against Apple Inc. in a U.S. court, alleging the company infringed two patents in the production of its MacBook, iPhone and iPod Touch products.

Elan, which makes touch pads for computers, said it owned the rights to touch-screen technology that allowed Apple's products to detect the position of fingers on a screen or touchpad.

The so-called multitouch technology is a key feature of Apple's iPhone, allowing users to zoom or rotate images.

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