Phillips/Ordinary Meaning

expired red square grungy vintage isolated stamp

It is well accepted that the broadest reasonable interpretation (BRI) standard, which the PTO employs during patent examination, and not the Phillips standard applied in district court proceedings, is generally the proper standard to be used when interpreting claims in Post-Grant proceedings such as IPRs and reexamination proceedings.  However, in In Re CSB-System International, Inc., Appeal No. 2015-1832, the Federal Circuit reminded the PTAB that the BRI standard is not to be applied in all Post-Grant proceedings.  Instead, the Federal Circuit reaffirmed its precedent that “when an expired patent is subject to reexamination, the traditional Phillips construction standard attaches.” (p. 8). The court further held that the Phillips standard also applies when the patent expires during reexamination.
Continue Reading Federal Circuit Reaffirms that Phillips applies when Patent has expired