Nvidia, a pioneer in the field of graphic chips for smartphones and video games, sued Samsung in September for allegedly using patent-infringing Qualcomm chips in many of its devices. Now, Samsung has returned the favor with a counter-suit that claims Nvidia is violating the Korean companies’ own patents related to buffering techniques for semi-conductors. Samsung also claims that Nvidia engaged in false advertising by claiming that its Shield tablet has the world’s fastest mobile processor. Such counter-suits are common in patent cases, and this is likely just the beginning of a multi-year throw-down in the chip industry. You can get background on the case here, see more details about Samsung claims here, and read Nvidia’s response to the counter-suit here.