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Federal Circuit: Applicant Admitted Prior Art Cannot Provide a "Basis" for a Ground of Unpatentability in an IPR, But Can be Cited for Other Purposes Federal Circuit: After SAS, IPR Estoppel Extends to Prior-Art Grounds That Reasonably Could Have Been Raised in the Petition

6 minute read March 01, 2022 at 12:03 AM
By
Jeff Ginsberg and Ryan J. Sheehan
IP News

Federal Circuit: Applicant Admitted Prior Art Cannot Provide a "Basis" for a Ground of Unpatentability in an IPR, But Can be Cited for Other Purposes

When Congress enacted the America Invents Act and created the inter partes review (IPR) proceeding, it limited an IPR petition to challenging patentability "only on a ground that could be raised under section 102 or 103 [i.e., anticipation and obviousness] and only on the basis of prior art consisting of patents or printed publications."

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