New Developments in Obviousness-Type Double Patenting and Original Patent Requirements — Patents: Post-Grant Podcast
Inter Partes Review: Validity Before the PTAB
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
The US Court of Appeals for the Federal Circuit affirmed a Patent Trial & Appeal Board unpatentability determination, finding that a skilled artisan would have found the term “sterile” in a UK publication to mean the same as...more
The Federal Circuit issued a precedential opinion on March 4, 2025, that serves as valuable guidance for product-by-process claims, particularly in the context of inherency in claim construction. In Restem, LLC v. Jadi Cell,...more
When a prevailing challenger withdraws from an appeal in post-grant proceedings, the Director can intervene under 35 U.S.C. § 143, which is what happened in an appeal in Sage Products, LLC v. Stewart after Challenger Becton...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 inter partes review provisions of the Leahy-Smith America Invents Act have been criticized for the propensity of the Patent Trial and Appeal Board (PTAB) to find invalid all or at least some of the challenged claims,...more
The door may now be open for additional challenges to patents covering mRNA vaccine technologies, paving the way for increased competition in the mRNA vaccine space. On Wednesday, March 5, 2025, the United States Patent...more
Regeneron Pharmaceuticals, Inc. v. Mylan Pharmaceuticals Inc., Appeal Nos. 2024-1965, -1966, -2082, -2083 (Fed. Cir. Jan. 29, 2025) Our Case of the Week is a 31-page decision that touches on a variety of issues, including...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
In a decision that issued last week, a Patent Trial and Appeal Board (“PTAB”) panel instituted inter partes review (“IPR”) of a petition filed by Merck Sharp & Dohme LLC (“Merck”) for a patent owned by The Johns Hopkins...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Last week the Federal Circuit handed down a pair of non-precedential decisions affirming the Patent Trial and Appeal Board (PTAB) in inter partes review (IPR) proceedings.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
Zap filed an IPR petition alleging obviousness of a patent owned by Elekta. The petition relied on a combination of two references. The Board found a reason to combine the references and ultimately found obviousness of the...more
Precedential and Key Federal Circuit Opinions - 1. PARKERVISION, INC. v. VIDAL [OPINION] (2022-1548, 12/15/2023) (Prost, Wallach, and Chen)* - Chen, J. The Court affirmed the PTAB’s determination that the patent...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
The Federal Circuit reversed a Patent Trial and Appeal Board (“Board”) decision finding the challenged claims of Sanofi-Aventis’ ’614 patent unpatentable as obvious....more
Objective Evidence in Determining Obviousness - In Medtronic, Inc. v. Teleflex Innovations, Appeal No. 21-2357, the Federal Circuit held that a close prima facie case of obviousness can be overcome by strong evidence of...more
Procedural History - Sanofi-Aventis Deutschland GMBH v. Mylan Pharmaceuticals Inc. is an appeal from a final written decision in an inter partes proceeding (“IPR”) of the Patent Trial and Appeal Board (“PTAB”) that found...more
Last week, Celltrion filed an IPR petition, PTAB IPR2023-00462, seeking cancellation of claims 1-18 of U.S. Patent No. 10,464,992 (“the ’992 patent”), assigned to Regeneron Pharmaceuticals, Inc. According to the Petition, the...more
The Federal Circuit affirmed the Patent Trial and Appeal Board's (PTAB) Final Written Decision (FWD) in an inter partes review (IPR) that Mylan Pharmaceuticals failed to show the claims of U.S. Patent No. 7,326,708 were...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