Chief justice calls U.S. patent challenge process bizarre

By Lawrence Hurley WASHINGTON (Reuters) - U.S. Chief Justice John Roberts on Monday described as bizarre the legal process used by companies to challenge competitors' patents as the Supreme Court heard a case involving a vehicle speedometer that alerts drivers if they are driving too quickly. The eight justices heard an appeal filed by Cuozzo Speed Technologies LLC, whose speedometer patent was invalidated in a U.S. Patent and Trademark Office review board procedure after being challenged by GPS