How does the USPTO handle newly discovered prior art in inter partes reexamination when there’s concurrent litigation?

The USPTO’s handling of newly discovered prior art in inter partes reexamination with concurrent litigation is as follows: Estoppel under 35 U.S.C. 317(b) does not apply to newly discovered prior art unavailable during the litigation. The patent owner must show that the art was known to the requester at a time when it could have…

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