This is a pretty big deal: the United States Patent and Trademark Office has just tentatively invalidated Apple's rubber-banding patent. This is the infamous '381 patent that covers the 'bouncing' effect when scrolling on a touch screen.
Why is this a big deal? Because this was one of the major patents Apple used in its $1 billion victory against Samsung back in August. And if the USPTO's decision holds true, Samsung could be looking at a much smaller penalty...