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The Use of Demonstratives in Patent Litigation

A picture is worth a thousand words &mdash; or perhaps more &mdash; when the concept being described is complicated, abstract or unfamiliar. By its very nature, the technology associated with a patent demands the use of visual and other aids in order to be understandable by a juror, judge, or other trier of fact. Not surprisingly then, demonstratives are essential tools in patent litigation to illustrate or contradict fact and expert witness testimony, as teaching aids in <i>Markman</i> hearings, and in opening and closing arguments. A number of legal and practical considerations should be kept in mind when preparing and using demonstrative aids.

19 minute read December 02, 2004 at 09:17 AM
By
Paul A. Ragusa and Peter J. Shen, Ph.D.
The Use of Demonstratives in Patent Litigation

A picture is worth a thousand words ' or perhaps more ' when the concept being described is complicated, abstract or unfamiliar.

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