This week, however, Apple revised its response to Qualcomm's complaint with accusations of its own.
Apple has accused Qualcomm of violating eight patents in total.
In its filing, Apple alleges that Qualcomm's Snapdragon 800 and 820 processors, which power phones from Samsung Electronics Co Ltd and Alphabet Inc's Google's Pixel phones, infringe on those patents. Apple made the obvious reply, denying the allegations and alleging that Qualcomm's patents were invalid anyway.
If you thought the spat between Qualcomm and Apple couldn't get any worse, think again. The company also called Qualcomm's lawsuit "a blatant effort to take credit for the innovation of others". The patents in question relate to technologies that regulate power usage by turning off parts of the processor when they are not in use. Too bad that doesn't look like it's going to happen anytime soon, and Apple appears to be accelerating its shift toward Intel modems.
This is of course a countersuit, dating back to a lawsuit Qualcomm filed against Apple on exactly the same grounds.
The U.S. Patent and Trademark Office (USPTO) on Thursday published an Apple patent, specifically covering the technical details surrounding "position-based communication between the Apple Pencil and iPhone".
The iPhone maker added that it began seeking those patents years before Qualcomm started seeking the "patents it asserts against Apple in this case". Figure 8, meanwhile, shows the iPhone and its touchscreen ready to accept input from a connected stylus device (Apple Pencil).
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