petchema writes "Corel is been sued by Advanced Software for software patent infringement. The contention feature is the side-by-side file comparison found in Wordperfect. " Yeah because nobody did that before. Update: 07/07 02:50 by CT : originally this story linked through to advancedsw.com- this company is in Colorado and has nothing to do with the Advanced Software from California that was doin' the suin'. Sorry about the confusion.