by Matthew Johnson | Sep 4, 2024 | Claim Construction, District Court, Estoppel, PTAB News, PTAB Trial Basics
By Sue Gerber and Matt Johnson – In 2016, the Federal Circuit expressed doubt that claim constructions from the PTAB could give rise to estoppel in later litigation because “the [PTAB] applies the broadest reasonable construction of the claims while the district...
by Matthew Johnson | Aug 28, 2024 | District Court, Estoppel, PTAB News
By Shane Padilla, Matt Chung, Sarah Geers, and Matt Johnson – The Federal Circuit recently issued a decision in SoftView LLC v. Apple Inc. clarifying the scope of patent owner estoppel set forth in 37 C.F.R. § 42.73(d)(3)(i). 2024 WL 3543902 (Fed. Cir. July 26,...
by Matthew Johnson | Jun 28, 2024 | District Court, Estoppel, Federal Circuit, PTAB News
By Sabrina Bellantoni and Matt Johnson – Recently, District Court Judge Thomas S. Zilly in the Western District of Washington granted Ironburg Inventions Ltd.’s (“Ironburg”) motion for inter partes review (“IPR”) estoppelpursuant to 35 U.S.C. § 315(e)(2), which...
by Tom Ritchie | Jan 31, 2024 | District Court, Estoppel, PTAB News
By Tom Ritchie – In GeigTech East Bay v. Lutron Electronics, patent owner GeigTech argued that Lutron should be estopped under 35 U.S.C. § 325(e)(2) from asserting two prior art grounds that it said Lutron could have reasonably raised in its post-grant review...
by Matthew Johnson | Oct 26, 2023 | Estoppel, Final Written Decisions, PTAB News
By Anthony Kim*, Evan Jones, and Matt Johnson – The Patent Trial and Appeal Board held all challenged claims of IGT’s patent unpatentable as obvious over two prior art patents. Zynga Inc. v. IGT, IPR2022-00199-32. In doing so, the PTAB further held that,...
by Marc S. Blackman | Jul 6, 2023 | Estoppel, PTAB News
By Marc Blackman and Ruth Brindel* – In decisions rare of their kind, the U.S. Patent and Trademark Office (“USPTO”) terminated two ex parte reexaminations in view of inter partes review (“IPR”) proceedings initiated by a different party. The decisions represent...
