The America Invents Act provided several procedures for challenging the validity of patent claims, including inter partes review (“IPR”), post-grant review (“PGR”) and covered business method patent challenges (“CBM”).  An IPR, PGR, or CBM challenge begins with a petition filed by the challenging party that identifies each claim challenged and the grounds for each challenge.  

By:  Eric Caligiuri

In In re CSB-System Int’l, Inc., No. 15-1832 (Fed. Cir. Aug. 9, 2016), the Court of Appeals for the Federal Circuit recently held that patents that expire during a pending re-examination before the Patent Trial and Appeal Board (“PTAB”) should be examined under the Phillips standard of claim  construction, and not the