
The PTAB’s Chief Administrative Patent Judge issued a memorandum on November 21, 2017, providing guidance on motions to amend in view of the en banc decision of the Federal Circuit in Aqua Products, Inc. v. Matal, 872 F.3d 1290 (Fed. Cir. 2017) (discussed here and here). The court in Aqua Products determined that the Board could not the place burden of persuasion with respect to the patentability of substitute claims on the patent owner. The memorandum stated that the Board will determine whether substitute claims submitted in a motion to amend compliant with 35 U.S.C. § 316(d) are unpatentable by a preponderance of the evidence based on the entirety of the record, including any opposition made by the petitioner.
Continue Reading Board Issues Guidance on Motions to Amend in View of Aqua Products

The Federal Circuit’s decision in Eli Lilly & Co. v. Teva Parenteral Medicines, Inc., 845 F.3d 1357 (Fed. Cir. 2017) attracted much attention for applying the theory of divided infringement in the context of pharmaceutical therapeutic regimen claims. Before the Federal Circuit decision, a scrum of petitioners successfully petitioned for IPR of the Lilly patent, alleging that the claims were obvious in view of a combination of references that included prior art considered by the court in the litigation. Our previous
Two recent Federal Circuit decisions illustrate how an error in construing claims may lead the court to reverse a PTAB final written decision. In 


On October 24, 2017, the PTAB held its inaugural “Chat with the Chief” webinar. The main topic of the webinar was to discuss multiple petitions filed against the same patent. The PTAB sought to address concerns that have been raised by patent owners that challengers just keep filing petitions until something sticks, and that petitioners presenting multiple petitions unfairly gain an advantage by obtaining information from the Patent Owner’s response to the first petition or the Board’s Institution Decision that help provide a roadmap for the subsequent petition. The PTAB presents results from an internal study that appears intended to alleviate these concerns.