Apple countersuit says Qualcomm's Snapdragon chips violate its patents

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Qualcomm is alleged to be infringing on eight battery life patents.

News broke yesterday that Apple (NASDAQ:AAPL) filed suit against Qualcomm (NASDAQ:QCOM) for patent infringement involving the Snapdragon chips. "All of these Palm inventions - owned by Qualcomm - have vastly improved the functionality of mobile devices and the user experience, and all of them are widely found in Apple products without license or permission", Qualcomm writes in one of its lawsuits.

Qualcomm filed a lawsuit against Apple in July, claiming that some of Apple's devices illegally use patent related to extended battery life that are owned by Qualcomm. Apple said it is seeking unspecified damages from Qualcomm. It's all very complicated, but this is common practice in the courts; deny a claim and then put forward a paper trail which proves there was no basis for the claim in the first place.

Now, according to court documents, Apple has amended its response to include suing Qualcomm for using patents giving juice wherever and at whatever level is needed, plus starting and shutting down quickly.

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Apple claims in its suit that Qualcomm's Snapdragon 800 and 820 processors - used in Samsung and Google phones - infringe Apple's patents.

The patents describe technologies that allow a certain part of a phone's processor to only draw the minimum power needed and turn off when it's not needed.

Qualcomm filed its patent infringement lawsuit at the same time it filed a complaint with the U.S. International Trade Commission seeking to ban the import of Apple iPhones that use competing Intel Corp chips because of the alleged patent violations. Samsung and Google have not been named in the counterclaims. In a connected case, Qualcomm charged the contract manufacturers that create Apple's devices, however Apple associated with the team to defend them.

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