The Expanded Use of Inter partes Reexamination
Fitzpatrick, Cella, Harper & Scinto’s Patent Prosecution Update Volume 1, Issue 1
June 9, 2010

This article explores the dramatic increase in the use of inter partes reexaminations to cancel the claims of a patent. The inter partes reexamination process, which has been available for more than a decade, had an unremarkable beginning with only five inter partes reexamination requests filed in the first three years since becoming law, but has since grown in popularity.

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