The US Patent and Trademark Office may have just thrown a wrench into Apple's recent courtroom triumph over Samsung by invalidating one of the patents at the heart of the victory: rubber-banding. We noted at the time that Apple hit a "home run" with that particular IP, as jurors declared that all 21 disputed Samsung devices infringed it, no doubt resulting in a large part of the $1 billion (and counting) owed by the Korean maker. "Claim 19"
