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
On June 30, 2025, the Federal Circuit issued a precedential decision in Eye Therapies, LLC v. Slayback Pharma, LLC, reversing the Patent Trial and Appeal Board’s (PTAB’s) claim construction of the phrase “consisting...more
In a decision that underscores the primacy of prosecution history to determine claim scope, the US Court of Appeals for the Federal Circuit reversed the Patent Trial & Appeal Board’s interpretation of the transitional phrase...more
AGILENT TECHNOLOGIES, INC. v. SYNTHEGO CORP. - Before Prost, Linn, and Reyna. Appeal from the Patent Trial and Appeal Board. Obviousness does not require all claimed limitations to be expressly disclosed in a primary prior...more
On June 11, 2025, the United States Court of Appeals for the Federal Circuit affirmed the Patent Trial and Appeal Board (PTAB) decision invalidating two patents owned by Agilent Technologies. The patents at issue, U.S. Patent...more
Invega Trinza® (paliperidone palmitate) - Case Name: Janssen Pharms., Inc. v. Mylan Labs. Ltd., No. 2023-2042, 2025 WL 946390 (Fed. Cir. Mar. 28, 2025) (Circuit Judges Dyk, Prost, and District Judge Goldberg presiding;...more
The United States Court of Appeals for the Federal Circuit recently affirmed a district court ruling that a pharmaceutical dosing claim limitation was unpatentable due to obviousness-type double patenting. The court found...more
The US Court of Appeals for the Federal Circuit affirmed a district court decision rejecting claims of a patent application directed to a dosing regimen for a cancer treatment, finding the claims to be obvious where the...more
On January 6, 2025, the United States Court of Appeals for the Federal Circuit (“CAFC”) affirmed the decision of the Patent Trial and Appeal Board (“PTAB”) rejecting a challenge to U.S. Patent No. 7,332,277 (“the ‘277...more
The Court of Appeal (CoA) of the Unified Patent Court (UPC) clarified the legal standard for correcting obvious type inaccuracies in patent claims, explaining that the view of a skilled person at the filing date is decisive...more
On May 17, 2024, an Appeals Review Panel (ARP) of the United States Patent and Trademark Office (“USPTO”) released its decision in Ex parte Chamberlain (referred to in Federal Circuit proceedings as In re Xencor;...more
The US Court of Appeals for the Federal Circuit held that data obtained after an asserted patent’s priority date may be used to demonstrate what is “necessarily present” in a prior art embodiment. Although the district court...more
Last week, the Federal Circuit affirmed a decision by the Patent Trial and Appeal Board (PTAB) finding claims of U.S. Patent No. 7,064,197 to be invalid for anticipation or obviousness, in Enzo Life Sciences, Inc. v. Becton,...more
Earlier this month we published an exhaustive review of the life sciences and regulatory cases in the Canadian courts, and decisions on the merits for the year are summarized in our in our Rx IP Update 2018 Highlights in...more
In a pair of patent owner victories, the U.S. Court of Appeals for the Federal Circuit issued decisions limiting the applicability of obviousness-type double patenting — known as OTDP — to invalidate or limit the term of...more
This month we highlight a district court opinion from Judge Dyk, sitting by designation, denying a preliminary injunction in a brand-vs-brand litigation, and a lengthy district court opinion from Judge Bryson, sitting by...more
Federal Circuit Summary - On September 10, 2018, the Federal Circuit decided Regents of the University of California v. Broad Institute, Inc., affirming the Patent Trial and Appeal Board (PTAB)’s determination of no...more
The ruling found that the use of such evidence was proper for written description and enablement....more
Federal Court of Appeal finds that Apotex did not fail to mitigate its damages in relation to Apo-Trazodone drug submission - On April 6, 2017, the Federal Court of Appeal overturned the Federal Court’s finding that...more
The non-invasive prenatal testing field has been an active area for patent challenges. Ariosa has challenged patents held by competitors Sequenom and Verinata. The latter is patent owner in two IPR proceedings challenging...more