| Subject | Sender | Recipient | Date | Topic Area | Linked? |
| divine e-commerce patents (1) | divine, Inc. | [Recipient] | November 4, 2002 | E-Commerce Patents |  |
| Notice of Patent Infringement | divine | [Recipient] | October 24, 2002 | Patent | |
| Audio MPEG Makes Patent License ReQuest | Audio MPEG, Inc. | ReQuest Multimedia | May 29, 2002 | Patent | |
| Weight Watchers Watches Patents | Weight Watchers International, Inc. | WWCalc | January 29, 2002 | Patent and Trademark | |
| Cue Cat(astrophe) | Digital Convergence | Flyingbuttmonkeys.com | August 30, 2000 | Reverse Engineering and Patent | |
| Early MP3 Patent Enforcement | Fraunhofer IIS-A, Audio & Multimedia | [MP3 software developers] | September 1, 1998 | Patent | |
| NOTICE OF PATENT INFRINGEMENT | Acacia Internet Access Corporation | NewburyOpen.net | September 30, 1994 | E-Commerce Patents | |
