Patent Cases in the News. eWeek reports on a recent decision in "Court Blocks Microsoft's Chimney in Longhorn." From the article: "A preliminary injunction has been issued Tuesday against Microsoft in connection with a patent infringement case, preventing the software maker from using a networking feature in Longhorn, its upcoming operating system release." In other news, the New York Times reports that "Judge Upholds Lilly Drug Patent." From the article: "The three companies claimed that Lilly's American patent on Zyprexa was invalid because olanzapine was very similar to other compounds it had already patented, including flumezapine, a chemical that Lilly studied in the early 1980's as a potential schizophrenia medication."