store account numbers, PIN codes, etc. NCR vs. Handspring and Palm (2001) – In 1987, NCR was granted a patent for a portable e-commerce terminal. In 2001, NCR sued Handspring and Palm. This case was ruled without merit in 2002, a decision that was upheld on appeal. RIM vs. Handspring (2002) – In 2002, Research In Motion (makers of the BlackBerry), sued Handspring. By year end, both Handspring and Palm licensed the patents and the suit was dropped. Peer-to-Peer Systems vs. Palm (2002) – Also in 2002, Peer-to-Peer systems filed lawsuit against Palm that alleges Palm infringed on its patent for wireless gaming. This lawsuit was settled as of February 9, 2005. Forgent Networks vs. HP, Toshiba, palmOne, etc., etc. (2004) – Starting in 2002, Forgent Networks began offering licenses for a patent that encumbers JPEG. In 2004, it filed suit against various companies, including palmOne. The JPEG or 672 patent has been reviewed by the U.S. Patent and Trademark Office, which has rejected 19 of the 47 claims based on prior art. See also Access Linux Platform, planned successor of the Palm OS Graffiti (Palm OS) List of Palm OS devices, includes emulators Memoware Palm, Inc. Palm Desktop Palm webOS PalmSource, Inc. References External links Palm.com Palm OS 4.1 Screenshots PalmDB – Archive for Palm OS Software Preservation Palm OS Wiki – Palm OS Knowledge & History Preservation Wiki ARM operating systems Computer-related introductions in 1996 Discontinued operating systems Embedded operating systems Mobile operating systems Personal digital assistants