Archive | Estoppel

Judge Robinson Revisits IPR Estoppel, Seeking Federal Circuit Clarification

A district court recently reaffirmed its ruling that statutory estoppel does not apply to grounds of invalidity that could have been included in a petition for an inter partes review but weren’t, clearing the way for the defendant to raise those grounds of invalidity against the patent at trial. Intellectual Ventures I LLC et al. […]

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