
In Arthrex, Inc. v. Smith & Nephew, Inc., No. 2017-1239 (Fed. Cir. Jan. 24, 2018), the Federal Circuit affirmed the PTAB’s entry of adverse judgment against Patent Owner Arthrex, before instituting inter partes review. Specifically, the PTAB entered judgment after Arthrex had disclaimed all challenged claims, but before the PTAB decided whether to institute a trial. As a result of the PTAB’s adverse judgment, the Patent Owner is estopped, under 37 C.F.R. § 42.73(d)(3)(1), from obtaining another claim in a continuation application, for example, that is “not patentably distinct” from a canceled claim. Estoppel would not have applied if the PTAB would have instead decided not to institute the IPR.
Continue Reading Patent Owner Estoppel May Apply When Patent Owner Cancels Claims Before IPR Institution

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.
PTAB rules prohibit raising new arguments in a reply brief, but it can be difficult to distinguish between an improper reply argument and a proper rebuttal. In 

