i4i Inc., laid out its case against Microsoft’s appeal in a lengthy brief filed with the U.S. Court of Appeals. The brief details the history of the XML patent at issue in the case and explains i4i’s contention that Microsoft knowingly infringed on the patent by incorporating the same technology into Word. “(A)t the same time Microsoft was praising the improved functionality that i4i’s product brought to Word, and touting i4i as a ‘Microsoft Partner,’ Microsoft was working behind i4i’s back to make i4i’s product obsolete,” the filing says. “Just five days after i4i’s initial meeting with the XML for Word team, for example, Microsoft executives discussed plans for Word and how it would affect the custom-XML authoring market, noting that it would ‘eventually make obsolete any competitive attempts by third parties to conquer that market.’ ” reports.
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