On remand from the Federal Circuit, the PTAB ruled that a patentee’s certificate of correction—issued after the Board invalidated the claims in a final written decision—could not be applied retroactively.
After the IPR...more
Amazon.com, Inc. and Blizzard Entertainment, Inc. (“Amazon”) filed a petition for inter partes review challenging the validity of AC Technologies S.A.’s (“AC”) U.S. Patent No. 7,904,680. See IPR2015-01802. Amazon asserted...more
As the boundaries of estoppel post-SAS continue to unfold, one court has found that if a petitioner’s time for appealing a PTAB partial-institution decision had not yet run out at the time that SAS was handed down, then the...more