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 May 1, 2025, the Patent Trial and Appeal Board (PTAB) denied institution of inter partes review (IPR) of U.S. Patent No. 11,140,841 in the case of Aardevo North America, LLC v. Agventure B.V. The patent in question, owned...more
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
Restem filed a petition for inter partes review of U.S. Patent No. 9,803,176, directed to stem cells obtained from umbilical cord tissue and isolated through a two-step process to create a specific cell marker expression...more
It is relatively uncommon for parties to submit expert declarations in the preliminary-response phase of an IPR proceeding, but recently the Patent Owner in Imperative Care, Inc. v. Inari Medical, Inc. effectively used that...more
The Federal Circuit affirmed six PTAB decisions that held unpatentable as obvious 79 claims of three Cytiva Bioprocess (“Cytiva”) challenged patents and reversed the PTAB decision upholding four claims....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
Last week the Federal Circuit handed down a pair of non-precedential decisions affirming the Patent Trial and Appeal Board (PTAB) in inter partes review (IPR) proceedings. This post concerns the decision in Medtronic, Inc....more
In Incept v. Palette Life Sciences 21-2063, 21-2065 (Fed. Cir. Aug. 16, 2023), the case addresses the Board’s anticipation and obviousness determinations in two IPRs (IPR2020-00002 and IPR2020-00004), where the Board held the...more
Baxalta Inc. v. Genentech, Inc., Appeal No. 22-1461 (Fed. Cir. Sept. 20, 2023) Our Case of the Week focuses on the enablement requirement. It’s the first case to come before the Federal Circuit following the Supreme...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
[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
TEVA PHARMACEUTICALS USA, INC., v. CORCEPT THERAPEUTICS, INC. Before Moore, Newman, and Reyna. Appeal from the Patent Trial and Appeal Board. Summary: Limitations, such as specific drug doses, in claim language can...more
MODERNATX, INC. v. ARBUTUS BIOPHARMA CORPORATION - Before Lourie, O’Malley and Stoll. Appeal from the Patent Trial and Appeal Board. Summary: A presumption of obviousness based on overlapping ranges requires showing...more
ELI LILLY AND COMPANY v. TEVA PHARMACEUTICALS - Before Lourie, Bryson and O’Malley. Appeal from the Patent Trial and Appeal Board. Summary: In claims for methods of using apparatuses or compositions, statements of...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
At a symposium and webinar presented by Fenwick & West and Mewburn Ellis, we asked U.S. Patent and Trademark Office and European Patent Office examiners to provide perspective on the preparation and prosecution of patent...more
About the PTAB Life Sciences Report: Each month we will report on developments at the PTAB involving life sciences patents. Smith & Nephew, Inc. v. ConforMIS, Inc. PTAB Petition: IPR2017-00778; filed January 26, 2017....more
About the PTAB Life Sciences Report: Each month we will report on developments at the PTAB involving life sciences patents. Merck Sharp & Dohme Corp. v. Genentech, Inc. - PTAB Petition: IPR2017-00047; filed...more
About the PTAB Life Sciences Report: Each month we will report on developments at the PTAB involving life sciences patents. McKesson Corp. v. My Health, Inc. - PTAB Petition: IPR2017-00312; filed November 29, 2016. ...more
About the PTAB Life Sciences Report: Each week we will report on recent developments at the PTAB involving life sciences patents. Medtronic Xomed, Inc. v. Neurovision Medical Products, Inc. - PTAB Petition: ...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