Claim construction disputes often include arguments based on patents in the same family or materials incorporated by reference. Our case of the week discusses both categories of sources—and illustrates some limits on their...more
The first step in requesting an inter partes review (IPR) of a granted patent is the filing of a petition before the Patent Trial and Appeal Board (PTAB), in which the petitioner states the grounds for the invalidity of the...more
The availability of post-grant proceedings at the Patent Trial and Appeal Board (PTAB) has changed the face of patent litigation. This monthly digest is designed to keep you up-to-date by highlighting interesting PTAB,...more
In Samsung Elecs Co., Ltd., et al. v. Cellect, LLC, IPR2020-00474, Paper 14 (P.T.A.B. Aug. 17, 2020), the PTAB denied institution of U.S. Patent No. 6,982,740 (“the '740 patent”), finding that the specification did not...more
Previously, we reported the outcomes of remands from the Federal Circuit to the PTAB in IPR cases through 2016.... This note is an update to that report, surveying the outcomes and status of remands to the PTAB in the...more
Expert Testimony Not Always Necessary to Establish Prima Facie Obviousness Case in Inter Partes Review - In Belden Inc. v. Berk-Tek LLC, Appeal Nos. 2014-1575, 2014-1576, on appeal from an IPR, the Federal Circuit...more