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Samsung Electronics has accused Nvidia of infringing its patents in an apparent response to a September action by Nvidia that accused the South Korean company and Qualcomm of infringing patents related to its GPU technology.
Chipmaker Qualcomm is facing regulatory investigations in the U.S. and Europe in addition to an ongoing anti-monopoly probe in China.
The U.S. tech industry scored a victory this week when President Barack Obama nominated former Google lawyer Michelle Lee to lead the U.S. Patent and Trademark Office.
Patent disputes between Apple-backed Rockstar and Google's Android licensees will be first decided in a California court rather than in a Texas court seen to be more favorable to patent holders.
Samsung has been paying Microsoft US$1 billion a year in royalties to use its technology in Samsung's Android smartphones and tablets, according to a court document filed Friday.
Over the past year, patent battles have been fought by tech companies in courtrooms all over the world. The litigation is far from over though, however, and will continue throughout 2013. This is what's at stake on the patent battlefield in the near future.
Samsung took a step toward finding a kind of "pax tabletica" with arch-foe Apple in an Australian court last week, offering to remove features from its Galaxy Tab to avoid a court ban on sales of the device in that country. But what's really interesting about the case isn't the technical litigation, but the underlying attempt to define how much of a product's design is actually protected under existing, fragmented international laws.