From a report: Apple on Wednesday filed a countersuit against Qualcomm, alleging that Qualcomm's Snapdragon mobile phone chips that power a wide variety of Android-based devices infringe on Apple's patents, the latest development in a long-running dispute. Qualcomm in July accused Apple of infringing several patents related to helping mobile phones get better battery life. Apple has denied the claims that it violated Qualcomm's battery life patents and alleged that Qualcomm's patents were invalid, a common move in such cases. But on Wednesday, in a filing in U.S. District Court in San Diego, Apple revised its answer to Qualcomm's complaint with accusations of its own. Apple alleges it owns at least eight battery life patents that Qualcomm has violated.
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