This is by no means the end of this matter. The patents at issue are for inventions used to manage congestion in data networking systems which allow users of computers, telephones, and facsimile machines, for example, to communicate with one another.
Internet usage is a major application.
Newbridge had argued that the patents were invalid because they were anticipated by earlier inventions or publications and because even the inventors themselves were unable to testify as to the clear meaning of the patent claims. A survivor's guide. UltimateTV Digital video recording service from Microsoft.