A German court has invalidated an Apple patent on a specific "rubber-banding" feature in iOS because it was demonstrated in Steve Jobs' iPhone introduction keynote in 2007, reports FOSS Patents. In the United States, inventors are allowed a twelve-month grace period between any public demonstrations of a new technology and the filing of a patent. However, Europe has no such grace period and public demonstrations prior to the filing of a patent -- even by the inventor of the technology being patented -- can be used as prior art to invalidate a patent. A subtle demonstration of the rubber-banding technology is barely noticeable at 33:40 in this video. In this case, Ste
