Apple countersuit says Qualcomm's Snapdragon chips violate its patents

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In that suit, Apple said Qualcomm's behavior was akin to "a common patent troll". Qualcomm filed a suit of its own the same day.

The ongoing legal spat between Apple Inc. and chip maker Qualcomm Inc. just got even more complicated, as Apple filed a new countersuit today claiming that the Snapdragon processors that power many Android devices infringe on Apple's patents, Reuters reports.

Qualcomm then countersued Apple in the summer for infringing on its battery saving patents. Apple is seeking unspecified damages. Qualcomm sued Apple in July over patent infringement of Apple's new developed modems inside iPhones and sought a ban on importing iPhones built with Intel chips into the United States. Apple says that this sleep and wake function is used in Snapdragon 800 and 820 chipsets released in 2013 and 2015 respectively.

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The new complaints represent the latest development in a long-standing dispute and follows Apple's countersuit on Wednesday against Qualcomm.

This only the latest part in the drama between the two, as originally Apple sued Qualcomm for $1 billion in January for not paying certain royalties. Apple's patents cover technologies that help a processor draw as little power as possible and allow a processor to quickly and efficiently increase and decrease power usage. Apple alleges it owns at least eight battery life patents that Qualcomm has violated.

Qualcomm filed its patent infringement lawsuit at the same time it filed a complaint with the US International Trade Commission seeking to ban the import of Apple iPhones that use competing Intel chips because of the alleged patent violations. Readers should not consider statements made by the author as formal recommendations and should consult their financial advisor before making any investment decisions.

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