Issued Patents

As of July 2006: 29 patents issued, 17 applications in process.  See U.S. Patent Office for a complete list.
  1. Systems and methods for automatic emphasis of freeform annotations, United States Patent 6,900,819, May 31, 2005.
  2. Document re-authoring systems and methods for providing device-independent access to the world wide web, United States Patent 6,857,102, February 15, 2005.
  3. Document cache replacement policy for automatically generating groups of documents based on similarity of content, United States Patent 6,842,876, January 11, 2005.
  4. Method and system for position-aware freeform printing within a position-sensed area, United States Patent 6,773,177, August 10, 2004.
  5. Method and system for creating ad-hoc links from free-form ink, United States Patent 6,766,494, July 20, 2004.
  6. Method and system for maintaining freeform ink annotations on changing views, United States Patent 6,687,876, February 3, 2004.
  7. Service portal for links separated from Web content, United States Patent 6,674,453, January 6, 2004.
  8. System and method for displaying and navigating links, United States Patent 6,670,968, December 30, 2003.
  9. Displaying in a first document a selectable link to a second document based on a passive query, United States Patent  6,658,623, December 2, 2003.
  10. Method and system for freeform digital ink annotation of data traces, United States Patent  6,625,296, September 23, 2003.
  11. Method for accepting a freeform input containing message with time reference thereupon providing an alert message according to the time reference, United States Patent 6,587,895,  July 1, 2003.
  12. Management of time and expense when communicating between a host and a communication network, United States Patent 6,587,877, July 1, 2003.
  13. Method and apparatus for annotating widgets, United States Patent 6,529,215, March 4, 2003.
  14. Method and system for copying a freeform digital ink mark on an object to a related object, United States Patent 6,389,435, May 14, 2002.
  15. Method and apparatus for displaying references to a user's document browsing history within the context of a new document, United States Patent 6,370,551, April 9, 2002.
  16. Method and system for suggesting related documents, United States Patent 6,356,922, March 12, 2002.
  17. Method and system for organizing documents based upon annotations in context, United States Patent 6279014, August 21, 2001.
  18. System for capturing and retrieving audio data and corresponding hand-written notes, United States Patent 5970455, October 19, 1999.
  19. Method and apparatus for dynamically grouping a plurality of graphic objects, United States Patent 5,889,523, March 30, 1999.
  20. Specifying and establishing communication data paths between particular media devices in multiple media device computing systems based on context of a user or users, United States Patent 5,812,865, September 22, 1998.
  21. Protocol for channel access in wireless or network data communication, United States Patent 5721725, February 24, 1998.
  22. Elision based presentation of ordered data, United States Patent 5,627,980, May 6, 1997.
  23. Method for selectively performing event on computer controlled device whose location and allowable operation is consistent with the contextual and locational attributes of the event, United States Patent 5,611,050, March 11, 1997.
  24. Method for triggering selected machine event when the triggering properties of the system are met and the triggering conditions of an identified user are perceived, United States Patent 5,603,054, February 11, 1997.
  25. Selective delivery of electronic messages in a multiple computer system based on context and environment of a user, United States Patent 5,493,692, February 20, 1996.
  26. Method and System for the Dynamic Selection, Allocation and Arbitration of Control Between Devices Within a Region, United States Patent 5,485,634, January 16, 1996.
  27. Method and system for maintaining processing continuity to mobile computers in a wireless network, United States Patent 5,564,070, October 8, 1996.
  28. Method for granting a user request having locational and contextual attributes consistent with user policies for devices having locational attributes consistent with the user request, United States Patent 5,555,376, September 10, 1996.
  29. System for granting ownership of device by user based on requested level of ownership, present state of the device, and the context of the device, United States Patent 5,544,321, August 6, 1996.