Microsoft contests patent infringement decision

An appeals court should throw out a $500m patent infringement judgement against Microsoft because a lower court failed to recognise that the patent was not invented by the company awarded the money, a Microsoft lawyer claimed yesterday.

Lawyer Constantine Trela told an appeals court in Washington that the Eolas Technologies patent that allowed web browsers to recognise and run embedded applications on web pages had been demonstrated by Pei-Yuan Wei in May 1993, more than five years before the Eolas patent was granted.

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