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
After the Federal Circuit vacated and remanded the district court’s non-obviousness determination, the district court again found that Teva failed to show, by clear and convincing evidence, that the claims of Janssen’s patent...more
Egenera, Inc. v. Cisco Systems, Inc., No. 2023-1428 (Fed. Cir. (D. Mass.) July 7, 2025). Opinion by Stark, joined by Prost and Taranto. Egenera owns a patent related to improved systems and methods for deploying and...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
Eye Therapies, LLC v. Slayback Pharma, LLC, Appeal No. 2023-2173 (Fed. Cir. June 30, 2025) In its only precedential patent opinion last week, the Federal Circuit reviewed construction of the transitional claim phrase...more
On June 9, 2025, the Patent Trial and Appeal Board (“Board”) issued a Final Written Decision (“FWD”) in Merck’s IPR2024-00240 against The Johns Hopkins University’s (“JHU”) U.S. Patent No. 11,591,393 (“the ’393 patent”),...more
On June 26, 2025, Sarepta Therapeutics filed IPR2025-01194, challenging as obvious claims 3-6 of Genzyme’s U.S. Patent No. 9,051,542 (“the ’542 patent), and IPR2025-01195 challenging claims 1-4, 6-7 and 11 of U.S. Patent No....more
Etanercept Challenged Claim Types in IPR and Litigation: Claims include those challenged in litigations and IPRs. Claims are counted in each litigation and IPR, so claims from the same patent challenged in multiple...more
Precedential and Key Federal Circuit Opinions - ALNYLAM PHARMACEUTICALS, INC. v. MODERNA, INC. [OPINION] (2023-2357, 06/04/2025) (Taranto, Chen, Hughes) - Taranto, J. The Court affirmed the district court’s claim...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
Tocilizumab Challenged Claim Types in IPRs: Claims are counted in each IPR, so claims from the same patent challenged in multiple IPRs are counted more than once. Within each IPR, claims are counted only once, whether they...more
IMMUNOGEN, INC. v. STEWART - Before Lourie, Dyk, and Prost. Appeal from the United States District Court for the Eastern District of Virginia. A solution to a problem can be obvious even when the problem itself was unknown in...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
Before the USPTO was subject to a hiring freeze, it assumed it would onboard 400 new examiners between fiscal year 2025 and fiscal year 2026, and still predicted an increase in the backlog of unexamined patent applications....more
On March 6, 2025, the United States Court of Appeals for the Federal Circuit (“Federal Circuit”) issued a precedential decision in ImmunoGen, Inc. v. Stewart, in which the court clarified its standards for determining...more
Synopsis: In a recently issued final written decision, the Patent Trial and Appeal Board (the “Board”) found all challenged claims of U.S. Patent No.11,572,334 (“the ’334 patent”) unpatentable.1 The Board’s decision centered...more
Minocin® (minocycline) - Case Name: Melinta Therapeutics, LLC v. Nexus Pharms., Inc., Civ. No. 21-2636, 2024 WL 4799896 (N.D. Ill. Nov. 15, 2024) (Kness, J.) Drug Product and Patent(s)-in-Suit: Minocin® (minocycline);...more
Invega Sustenna® (paliperidone palmitate) - Case Name: Janssen Pharms., Inc. v. Teva Pharms. USA, Inc., Civ. Nos. 18-734, 19-16484, 2024 WL 5135666 (D.N.J. Dec. 17, 2024) (Cecchi, J.) Drug Product and Patent(s)-in-Suit:...more
On January 15, 2025, Celltrion filed IPR2025-00456 against Regeneron’s U.S. Patent No. 11,084,865 (“the ’865 patent”), challenging claims 1-17, 19-42, 44-50 as anticipated and claims 1-50 as obvious....more
On January 10, 2025, the US Court of Appeals for the Federal Circuit issued a precedential opinion in Novartis Pharmaceuticals Corp. v. Torrent Pharma Inc., reversing a lower court decision that claims of a Novartis patent...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
In re Entresto (Sacubitril/Valsartan), Appeal Nos. 2023-2218, -2220, -2221 (Fed. Cir. Jan. 10, 2025) In our Case of the Week, the Federal Circuit revived Novartis’s US Patent No. 8,101,659 by reversing the district...more
Mirror Worlds Technologies, LLC v. Meta Platforms, Inc., Appeal Nos. 2022-1600, -1709 (Fed. Cir. Dec. 4, 2024) In this appeal from the United States District Court for the Southern District of New York, the Federal...more
Patent owners generally look to secondary indicia to bolster their nonobvious defenses when prior art and/or knowledge of a person of ordinary skill in the art (“POSA”) seem to make the obviousness decision a close call. This...more