Estoppel Doctrine in China's Patent System
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...more
In Finjan LLC, FKA Finjan, Inc. v. SonicWall, Inc., No. 2022-1048 (Fed. Cir. Oct. 13, 2023), the Federal Circuit vacated a summary judgement of invalidity based on collateral estoppel, where the case that provided estoppel...more
Ordered To Agree: Binding Settlement Agreement Provision Found Despite Absence of Singular, Executed Agreement - In Plasmacam, Inc. v. Cncelectronics, LLC Appeal No. 21-1689, the Federal Circuit held that an agreement on...more
Love it or hate it, ignore the USPTO Patent Trial and Appeal Board (PTAB) at your peril. The introduction of the PTAB as part of the America Invents Act over ten years ago has forever changed patent litigation. In its first...more
[co-author: Jamie Dohopolski] Love it or hate it, ignore the USPTO Patent Trial and Appeal Board (PTAB) at your peril. The introduction of the PTAB as part of the America Invents Act over ten years ago has forever changed...more
The US Court of Appeals for the Federal Circuit issued an errata to its opinion in California Institute of Technology v. Broadcom Limited, clarifying that inter partes review (IPR) estoppel under 35 USC § 315(e) does not...more
The US Court of Appeals for the Federal Circuit found that the Patent Trial & Appeal Board (Board) did not err in finding that a petitioner was estopped from maintaining a third inter partes review (IPR) of a patent claim...more
Addressing inter partes review (IPR) estoppel after the Supreme Court of the United States’ 2018 decision in SAS Institute, Inc. v. Iancu, the US Court of Appeals for the Federal Circuit overruled its decision in Shaw...more
[co-author: Jamie Dohopolski] Last year, the continued global COVID-19 pandemic forced American courts to largely continue the procedures set in place in 2020. The U.S. Court of Appeals for the Federal Circuit was no...more
The Federal Circuit issued numerous precedential opinions last week, two of which answered long simmering questions about inter partes reviews (IPRs). Below we discuss a case addressing whether admissions of prior art in the...more
In Olaplex, Inc. v L’Oréal USA, Inc. the Federal Circuit addressed, among other issues, PGR estoppel in subsequent district court litigation. Here, the Court addressed the timing to raise estoppel regarding written...more
The PTAB Strategies and Insights newsletter provides timely updates and insights into how best to handle proceedings at the USPTO. It is designed to increase return on investment for all stakeholders looking at the entire...more
Corresponding Structure Snafu: Lack of Algorithm Renders Claims Indefinite - In Rain Computing, Inc. v. Samsung Electronics Co. Ltd., Appeal No. 20-1646, the Federal Circuit held that the structure for performing a...more
[co-author: Kathleen Wills] Last year, the global COVID-19 pandemic created unprecedented challenges for American courts. By making several changes, however, the U.S. Court of Appeals for the Federal Circuit was able to...more
In Network-1 Techs., Inc. v. Hewlett-Packard, No. 18-2338, the Federal Circuit reversed and vacated multiple aspects of the district court’s final judgment holding that Hewlett-Packard (HP) did not infringe U.S. Patent No....more
Powerful. Resilient. Ever-evolving. These characteristics of the Patent Trial and Appeal Board (PTAB) were on full display in 2019. This past year the PTAB received more than 1,300 inter partes review (IPR), post grant review...more
Mere Potential for Future Appeal Does Not Prevent Triggering Estoppel of Inter Partes Reexamination When Party Fails to Seek Relief in the First Instance - In Virnetx Inc. v. Apple Inc., Appeal Nos. 2017-1591, -1592,...more
In the latest round of the Apple/VirnetX saga, the US Court of Appeals for the Federal Circuit held to its precedents in determining when 35 USC § 317(b) estoppel is triggered against inter partes re-examinations. VirnetX...more
In IPR2019-00567 (Paper 23 at 29-30) and IPR2019-00568 (Paper 22 at 23-24), the PTAB, for potentially the first time, denied institution partially based on the Petitioner raising the same issues in its Petition that had been...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 2018, the U.S. Court of Appeals for the Federal Circuit docketed close to 600 appeals from the U.S. Patent and Trademark Office (USPTO). That is the second highest number since starting to hear post-American Invents Act...more
On March 13, 2018, in Nestlé USA, Inc. v. Steuben Foods, Inc., 2017-1193 (Fed. Cir. Mar. 13, 2018), the Federal Circuit confirmed that collateral estoppel may preclude the need to revisit an issue that had already been...more
There is no doubt that “the potential for estoppel is one of the important considerations for defendants in deciding whether or not to file an [inter partes review (“IPR”)] petition.” Shaw Indus. Grp., Inc. v. Automated Creel...more
Core Wireless v. LG affirms the denial of summary judgment as to unpatentable subject matter, ruling that the asserted claims are directed to an improved user interface for computing devices, not to the abstract idea of an...more
Judge Gorton in the District of Massachusetts recently denied an early summary judgment motion filed in a patent infringement suit, holding the motion to be premature on two grounds. First, a scheduled claim construction...more