US chipmaker Qualcomm filed three new patent infringement complaints against Apple, marking yet another development in a wide-ranging legal war between the two companies.
One of the three cases filed Thursday in a California court is a companion civil lawsuit to a new complaint also filed the same day with the ITC that seeks the remedy of banning iPhones with Intel chips, Reuters reports.
The other two cases are civil patent infringement lawsuits.
The new complaints represent the latest development in a long-standing dispute and follows Apple’s countersuit on Wednesday against Qualcomm.
In its lawsuit, the iPhone maker had alleged that Qualcomm’s Snapdragon mobile phone chips infringed on Apple patents.
In January, Apple sued Qualcomm for nearly US$1 billion in patent royalty rebates that Qualcomm allegedly withheld from Apple.
In a related suit, Qualcomm sued the contract manufacturers that make Apple’s phones, but Apple joined in to defend them.
Qualcomm in July accused Apple of infringing several patents related to helping mobile phones get better battery life.
That case accompanied 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.
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