Federal Circuit Signals Appetite for Increased PTAB Discretion in Motions to Amend
Patent owners facing inter partes review (IPR) challenges have the option of filing a motion to amend as a contingency plan. This motion, accompanied by proposed substitute claims, allows the patent owner a fallback position if the Patent Trial and Appeal Board (PTAB) finds the original claims unpatentable. If successful, despite the unpatentability of the original claims, the patent owner maintains the substitute claims. While this sounds great in concept, the historical success rate of such motions is low. From October 2012 through March 2020, only 14% of motions to amend were granted. This improved slightly in 2020, to 25%, but dropped back to 18% in 2021 (calculated using data from Docket Navigator). The recent decision in Hunting Titan, Inc., v. DynaEnergetics Europe GmbH thus presents the somewhat rare case in which an amendment was granted by the PTAB and affirmed on appeal. That said, the Federal Circuit’s narrow holding does not indicate an easier future for patent owners’ motions to amend; indeed, the opposite may be true.