AppleInsider is reporting that Apple has countersued S3 Graphics after the company, a maker of graphics-visualization technologies for the notebook and desktop markets, originally sued Apple last June for patent infringement related to a number of Apple's devices, including the iPhone, iPod touch and MacBook computers. The original complaint stated that Apple has violated four S3 patents relating to image processing systems and "fixed-rate block-based image compression with inferred pixel values."
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