The US Court of Appeals for the Federal Circuit affirmed a district court's dismissal of a second case between the same parties and asserting the same patent under the duplicative-litigation doctrine.
The Federal Circuit's Judge Bryson has been presiding over two district court cases where he decided an important and recurring issue regarding collateral estoppel.
I have a life sciences litigation practice with a focus on patent contentious proceedings (PTAB, district court, and on appeal to the Federal Circuit). Since the beginning of my career.
Inter partes review (IPR) proceedings raise complex estoppel issues that courts are grappling with and patent litigants must consider. Because patent challengers can assert invalidity.
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