If IPR’s Not Your Bag, Consider Ex Parte Reexamination,PTAB Litigation Blog
These days, we generally think about inter partes review as a first option to challenge patentability. Rightly so. But don’t forget about ex parte reexamination (“XPR”). Even in the IPR era, patent challengers are still successfully using XPR to attack patents of suspect validity and even leveraging XPR results into wins in district courts.
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