New Presentation of Same IPR Art Thwarted by Estoppel
Post SAS, there are fewer exceptions to IPR estoppel. Indeed, the absence of partial institutions has led to many courts finding the “reasonably could have raised” aspect of IPR estoppel to be broader than just the art of the ultimate Patent Trial & Appeal Board (PTAB) trial. As such, unsuccessful petitioners are now exploring alternative theories.
In The California Institute of Technology v. Broadcom Limited, et al., (here) the Central District of California found that IPR estoppel applies where the same IPR reference is later raised under the “known or used” prong of pre-AIA 35 U.S.C. § 102(a), rather than as a “patent or printed publication” as in the IPR. Continue Reading IPR Art Simultaneously Qualifying as Known or Used Subject to Estoppel