US computer chip company Broadcom filed a patent infringement suit on Monday against Emulex, two months after dropping a hostile takeover offer for its rival.
Chinese telecom equipment maker ZTE has rejected charges by its bigger rival Huawei Technologies, which is suing ZTE in three European countries for alleged patent and trademark infringements.
The world's leading mobile phone maker Nokia said Tuesday it was filing a fresh complaint against Apple for patent infringement in "virtually all" of Apple's devices.
Smartphone titan HTC Corp. on Thursday ramped up its patent war with Apple with the help of ammunition provided by Google, the force behind Android mobile software.
Apple has been ordered to pay $368 million for patent infringement in its use of Facetime, an application that allows for video calls on mobile devices, the plaintiff said Wednesday.
Yahoo! filed suit against Facebook in a California court on Monday accusing the social networking giant of infringing on 10 patents held by the Internet pioneer.
A US federal court has barred the sale of Samsung's new Galaxy Tab 10.1 tablet computer, siding with Apple in a bitter dispute between the two tech giants over alleged patent infringement.
The US Supreme Court has immersed itself in patent rules in a case pitting Microsoft against a Canadian technology company that claims some versions of Word violated its patent.
Japanese electronics giant Sony said a shipment of its PlayStation 3 consoles was being held in a Dutch port after a court upheld a patent complaint filed by South Korea's LG Electronics.
(AP) -- A federal appeals court said Friday that Microsoft Corp. does not have to pay Alcatel-Lucent $358 million for patent infringement because of problems with how the damages were calculated.