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
In Henny Penny Corp. v. Frymaster L.L.C., No. IPR2016-01435, (P.T.A.B. Mar. 16, 2017), the petitioner (HPC) challenged certain claims of U.S. Patent No. 8,497,691, owned by HPC’s competitor, Frymaster. The ’691 patent relates...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