Understanding the Impact of IPR Estoppel and PTAB Discretionary Denials — Patents: Post-Grant Podcast
Estoppel Doctrine in China's Patent System
Key Takeaways - - A recent Federal Circuit decision in a case involving an inter partes review (IPR) significantly narrowed a patentee’s ability to rely on estoppel to block a defendant from raising invalidity grounds. -...more
Estoppel certification in reexamination prevents relitigation of resolved issues....more
Ex parte reexamination (EPRx) comes with risks and rewards for both patent challengers and patent owners. Patent challengers enjoy a lower threshold for institution and avoid the estoppel risk of other post-grant proceedings...more
In Natera, Inc v. Neogenomics Laboratories, Inc., Appeal No. 24-1324 the Federal Circuit held that preliminary injunction may be valid if a substantial question of invalidity was not raised, even if the asserted patent is...more
2023 was a busy year at the Patent Trial and Appeal Board, as post-grant practice continued to evolve at a rapid pace. At the United States Patent and Trademark Office, there were big developments in Director Review and...more
Director Jason A. Fitzsimmons and Counsel Richard A. Crudo will present the “Developments in IPR Estoppel” webinar on Tuesday, December 5, 2023, at 1:00 PM ET. The possibility of being estopped from asserting prior art in...more
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, contrary to...more
I. Introduction - The Leahy-Smith America Invents Act (“AIA”) was years in the making. From the first patent reform bill introduced by Representative Lamar Smith in June 20052 until the final House and Senate debates in...more
As part of the recovery from the global COVID-19 pandemic, the U.S. Court of Appeals for the Federal Circuit took steps to return to normal operations. It began requiring live oral arguments in August 2022 and, by November,...more
We are committed to providing insightful commentary on IP developments from around the world to our Japanese clients. In light of that effort, we are continuing our free monthly webinar series, McDermott IP Focus. During...more
The US Patent & Trademark Office (PTO) terminated a pending ex parte reexamination after finding that the challenger was estopped because the prior art references could have been raised in a prior inter partes review (IPR)....more
Ex parte reexaminations have re-emerged as an increasingly important component of patent litigation and licensing negotiations. With the passage of the America Invents Act (“AIA”) and the advent of inter partes reviews...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
[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
Year-End Analysis and Future Forecasts on the Most Significant Developments Impacting Post-Grant Proceedings. Attend ACI’s inaugural PTAB Practice Briefing virtually on December 2nd for in-depth discussions and year-end...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
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
PATENT CASE OF THE WEEK - Celgene Corporation v. Laura A. Peter, Appeal Nos. 2018-1167, -1168, -1169, -1171 (Fed. Cir. July 30, 2019) - In this week’s Case of the Week, the Federal Circuit held that the retroactive...more
Following the Supreme Court’s decision in SAS v. Iancu, which held that an IPR institution is an “all-or-nothing” proposition, the PTAB lost its ability to rely on “partial institutions” as a case management tool (e.g., by...more
The definiteness requirement for patent claims is set forth in Section 112(b), mandating that a patent specification conclude with one or more claims “particularly pointing out and distinctly claiming subject matter which the...more
Recent patent reform legislation, rule changes, and court rulings are expected to have a significant impact on the strategies of both patent owners and petitioners....more
Federal Circuit Upholds Broad Scope of CBM Review and Explains that an Internet Reference Must be Indexed by a Search Engine to Qualify as a Prior Art Publication - In Blue Calypso, LLC v. Groupon, Inc., Appeal Nos....more
When a patent is challenged in an inter partes review and a final written decision has been issued, a statutory estoppel will prevent certain subsequent proceedings. The scope of the estoppel, which applies to both Patent and...more
After an Inter Partes Review (IPR) at the United Stated Patent and Trademark Office (USPTO) is completed, validity and/or infringement of the patent may subsequently be determined by a U.S. district court. This situation...more