Understanding the Impact of IPR Estoppel and PTAB Discretionary Denials — Patents: Post-Grant Podcast
New Developments in Obviousness-Type Double Patenting and Original Patent Requirements — Patents: Post-Grant Podcast
Inter Partes Review: Validity Before the PTAB
IGT v. Zynga Inc., Appeal No. 2023-2262 (Fed. Cir. July 22, 2025) In this week’s Case of the Week, the Federal Circuit examined the reviewability and merits of the Patent Trial Appeal Board’s decision to institute inter...more
In a precedential opinion, the Federal Circuit reversed a Patent Trial and Appeal Board (“PTAB”) decision in holding that certain claims of the Virtek patent (U.S. Patent No. 10,052,734) were unpatentable as obvious. See...more
Pfizer Inc. v. Sanofi Pasteur Inc., Appeal Nos. 2019-1871, -1873, -1875, -1876, -2224 (Fed. Cir. Mar. 5, 2024) This week’s Case of the Week mostly resolves an appeal filed five years ago, following decisions from the...more
Although merely exemplifying the burden imposed on an appellant by the Federal Circuit's substantial evidence standard of review over decisions by the U.S. Patent and Trademark Office regarding the facts underlying legal...more
Cyntec Company, Ltd. v. Chilisin Electronics Corp., Appeal No. 2022-1873 (Fed. Cir. Oct. 16, 2023) In this week’s Case of the Week, the Federal Circuit reversed and remanded a California district court’s judgment as a...more
Addressing the issue of new invalidity theories offered during inter partes review (IPR) proceedings, the US Court of Appeals for the Federal Circuit held that a petitioner does not improperly offer new theories when it...more
For the first time in over five years, the US Court of Appeals for the Federal Circuit will be hearing a patent case en banc. The Court has agreed to hear LKQ Corporation v. GM Global Technology Operations LLC, which...more
Sequoia Technology, LLC v. Dell, Inc., Appeal Nos. 2021-2263, -2264, -2265, -2266 (Fed. Cir. April 12, 2023) In an appeal from a stipulated judgment of noninfringement and invalidity following an adverse claim construction...more
Arthrex Again? Federal Circuit Says, “No More!” - In Cywee Group Ltd. v. Google LLC, Appeal No. 20-1565, the Federal Circuit held that, while the Appointments Clause requires that the USPTO Director have the power to...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
Precedential Federal Circuit Opinions - In Re MCDONALD [OPINION] (2021-1697, 8/10/2022) (Newman, Stoll, and Cunningham) - Cunningham, J. The Court affirmed a PTAB decision rejecting reissue claims under 35 U.S.C. §...more
ACI’s 8th Annual Paragraph IV Disputes Master Symposium returns in person to Chicago on September 21-22! Join leading pharmaceutical patent litigators for brand name and generic drug companies to receive up-to-the-minute...more
In re: Volkswagen Group of America, Inc. and In re: Hyundai Motor America, Appeal Nos. 2022-108, -109 (Fed. Cir. Mar. 9, 2022) - In the most recent of multiple mandamus rulings issued by the Federal Circuit in relation to...more
Adapt Pharma Operations Limited v. Teva Pharmaceuticals USA, Inc., Appeal No. 2020-2106 (Fed. Cir. Feb. 10, 2022) - In our Case of the Week, the Court of Appeals for the Federal Circuit, in both the majority opinion and...more
It’s No Secret That a Related Company’s Physical Presence in a Jurisdiction May Not Be Enough For Proper Venue - In Andra Group, LP v. Victoria’s Secret Stores, LLC, Appeal No. 20-2009, The Federal Circuit held that an...more
Join the conference that the “who’s who” of Hatch-Waxman litigators have designated as the forum which sets the standards for Paragraph IV practice. ACI’s Paragraph IV Litigation Conference is returning LIVE & IN-PERSON to...more
SIPCO, LLC v. EMERSON ELECTRIC CO. Before O’Malley, Reyna, and Chen. Appeal from the Patent Trial and Appeal Board. Summary: The Board’s determination that a patent qualifies for CBM review is non-appealable under 35...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
The US Court of Appeals for the Federal Circuit vacated in part and remanded a Patent Trial and Appeal Board (Board) determination of unpatentability because the Board did not adequately support its reasoning as to certain...more
274-1 Federal Circuit Revisits American Axle & Manufacturing; Case Remanded to Determine if One of the “Hooke’s Law” Claims is Ineligible under Other Theories of Eligibility - The Federal Circuit recently issued a modified...more
PATENT CASE OF THE WEEK - American Axle & Manufacturing, Inc. v. Neapco Holdings LLC, Appeal No. 2018-1763 (Fed. Cir. July 31, 2020) - In this week’s Case of the Week, the Federal Circuit modified and re-issued its...more
Yesterday we discussed the Federal Circuit’s decision in Uniloc 2017 LLC v. Hulu, LLC confirming the Board’s authority to review contingent substitute claims after the original claims have been held invalid by a federal...more
WHAT DO WE KNOW? 1. On July 22, 2020, a sharply split Federal Circuit panel held that “[t]he PTAB correctly concluded that it is not limited by § 311(b) in its review of proposed substitute claims in an IPR, and that it...more
Finding that a patent’s preamble was not limiting and the patent owner’s secondary considerations of non-obviousness were weak, the US Court of Appeals for the Federal Circuit upheld a finding of obviousness by the Patent...more
The Federal Circuit reversed and remanded a Patent Trial and Appeal Board (the “Board”) decision declining to analyze patent claims as anticipated or obvious in an inter partes review (IPR) where the Board found the...more