The company is looking into bone conduction technology that would improve voice communications in a wireless earphone system.
A newly-granted patent describes a way to move text and other items on the screen of a mobile device by tapping the side of the device rather than using your big fingers.
The device would be able to track your heart rate, temperature, perspiration, and more.
So-called Steve Jobs patent reaffirmed after the Patent Office invalidated all 20 claims in the patent last December.
This story originally misstated the outcome of the '381 patent examination. Three of the 20 claims were upheld.
A freshly published patent filing points to more advanced earbuds that can turn on noise suppression and other features in response to your voice.
Two patent applications describe environmental and temperature sensors that could be outfitted into "wrist-watch devices" as well as other wearable gadgets.
In a decision that some might deem surprising, the Treasury Department has approved a patent for a product called Palcolhol, a powdered form of vodka and other drinks. And yes, you just add water.
Amid planning for the damages retrial, Judge Koh rules that there will not be another new trial over the '381 patent.
Apple says it still has plenty of chances to fight to keep its rubber band patent alive and well.