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
In re: Riggs, Appeal No. 2022-1945 (Fed. Cir. Mar. 24, 2025) Our Case of the Week explores the power of an examiner to request a rehearing after the Board has entered a decision on an application. The case also relates to...more
Parties involved in Patent Trial and Appeal Board (PTAB) proceedings sometimes contemplate submitting experimental data to support their positions. Although such data can be useful, there also are risks. Several recent cases...more
Specify the Steps of Information Manipulation or Lose under § 101 - In Mobile Acuity Ltd. v. Blippar Ltd. Appeal No. 22-2216, the Federal Circuit held that patent claims that merely recite result-orientated, functional...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
[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
Joint inventorship has been called "one of the muddiest concepts in the muddy metaphysics of patent law" because the "exact parameters of what constitutes joint inventorship are quite difficult to define." Mueller Brass Co....more
The US Court of Appeals for the Federal Circuit found that facilitating browsing of documents on a website was sufficient to support public accessibility of prior art references, but that the Patent Trial and Appeal Board...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
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 - Samsung Electronics America, Inc. v. Prisua Engineering Corp., Appeal No. 2019-1169, -1260 (Fed. Cir. Feb. 4, 2020) - Our case of the week concerns issues particular to inter partes review...more
PATENT CASE OF THE WEEK - Amgen Inc. v. Amneal Pharmaceuticals LLC, et al., Appeal Nos. 2018-2414, et al. (Fed. Cir. Jan. 7, 2020) - In this appeal from Markman and summary judgment opinions by the district court in a...more
The Situation: In a Hatch-Waxman litigation, the claims recite oxymorphone with less than 0.001% of an impurity called 14-hydroxymorphinone. The prior art includes confidential communications from the FDA to oxymorphone...more
PATENT CASE OF THE WEEK - VirnetX Inc. v. Apple, Inc., Appeal Nos. 2017-2490, -2494 (Fed. Cir. Dec. 10, 2018) The Federal Circuit affirmed two final written decisions of the Patent Trial and Appeal Board (“PTAB”), which...more
In recent years, the U.S. Supreme Court has considered a number of intellectual property and related cases, but many issues remain unresolved. Therefore, it is important to look both at the cases currently before the U.S....more
Today the Circuit agreed to hear en banc Nantkwest v. Matal,in which the panel had reversed a district court decision that had rejected the PTO’s position that applicants who appeal a district court must pay the PTO’s legal...more
Our report includes discussions of six of the precedential cases decided in the past week and will include the other three cases in next week’s report. In Aylus v. Apple, the panel finds prosecution disclaimer in a...more
The Federal Circuit handed down two related opinions last week, Los Angeles Biomedical Research Institute v. Eli Lilly & Co. and Eli Lilly & Co. v. Los Angeles Biomedical Research Institute, one of which raised the question...more
The Federal Circuit affirmed a decision of obviousness, and that a patentee not be able to amend claims in an inter partes review proceeding, in an opinion handed down January 29th in Illumina Cambridge Ltd. v. Intelligent...more
Addressing patent eligibility for a covered business method (CBM) review under Section 18 of the America Invents Act (AIA), the Patent Trial and Appeal Board (PTAB, the Board) found the patents-at-issue to be eligible and...more
Addressing the presumption of validity in ex parte re-examinations, the U.S. Court of Appeals for the Federal Circuit reiterated that the presumption of validity does not apply to patents under reexamination in the U.S....more
One of the statistics gleaned from Director Michelle Lee's recent blog on the post-issuance review provisions of the America Invents Act is that only 42% of inter partes review petitions have been granted over the past three...more
In This Issue: - After B&B Hardware, What is the Full Scope of Estoppel Arising From a PTAB Decision in District Court Litigation? - When You Don’t Know What You Know: The Role of Unappreciated Inherency in the...more
FEDERAL CIRCUIT CASES - Newsgroup Post Held to be A Printed Publication and Anticipatory Prior Art - On May 27, 2014, the Federal Circuit affirmed a decision granting summary judgment of invalidity by the...more