IS THE A IN ANDA BEGINNING TO MEAN ANTITRUST?
Nature of the Case and Issue(s) Presented: Salix holds NDAs for 200mg and 550mg Xifaxan. The 550mg strength product was approved to treat irritable bowel syndrome with diarrhea (“IBS-D indication”) and hepatic encephalopathy...more
Nature of the Case and Issue(s) Presented: Cyclophosphamide is an antineoplastic agent used to treat various cancers, including lymphomas, myeloma, leukemia, and breast carcinoma. The ’952 patent, issued to Plaintiffs in May...more
Reported settlements in federal district court cases - This chart summarizes the case name, drug, patents-in-suit, and publicly available terms for reported settlements in federal district court cases that are filed pursuant...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 recent uptick and rise in popularity of GLP-1 drugs for addressing weight loss and obesity has led to an increase in U.S. litigation involving this class of drugs. Over the past few years, litigation has focused on a wide...more
Addressing the calculation of patent term extensions (PTEs) under the Hatch-Waxman Act, the US Court of Appeals for the Federal Circuit affirmed a district court decision that under the act the issue date of the original...more
On March 21, the Court of Appeals for the Federal Circuit held in a precedential opinion that legal fees incurred by generic drug companies in defending against patent infringement suits brought under the Hatch-Waxman Act...more
Actavis Labs. FL, Inc. v. United States, Appeal No. 2023-1320 (Fed. Cir. Mar. 21, 2025) Our Case of the Week, in the words of its author, Circuit Judge Stark, “is not actually a patent case. It is, instead, a tax case.” In...more
On March 13, 2025, the U.S. Court of Appeals for the Federal Circuit affirmed a five-year patent term extension (“PTE”) for Merck’s sugammadex patent, holding that the district court had correctly calculated PTE based on the...more
Novartis markets and sells a combination therapy of valsartan and sacubitril under the brand name Entresto® for the treatment of various forms of heart failure. MSN submitted an Abbreviated New Drug Application seeking...more
A bipartisan Senate bill dubbed the “Skinny Label, Big Savings Act” was introduced in January. The bill would expand the scope of protection afforded by section viii carve-outs, a mechanism that allows Abbreviated New Drug...more
Entresto® (sacubitril/valsartan) - Case Name: Novartis Pharms. Corp. v. Becerra, Civ. No. 24-cv-2234 (DLF), 2024 WL 4492072 (D.D.C. Oct. 15, 2024) (Friedrich, J.) Drug Product and Patent(s)-in-Suit: Entresto®...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
On January 29, 2025, the Federal Circuit issued paired decisions addressing Samsung Bioepis’s (“SB”) and Formycon AG’s (“Formycon”) appeals of preliminary injunctions entered in ongoing aflibercept biosimilar litigations with...more
The Federal Circuit recently reversed a District of Delaware decision that invalidated claims of Novartis’s Orange Book listed patent, U.S. Patent No. 8,101,659 (the “’659 patent”), for its blockbuster drug Entresto®, a...more
OxyContin® (oxycodone HCl) - Case Name: Purdue Pharma L.P. v. Accord Healthcare, Inc., No. 2023-1953, 2024 WL 5244764 (Fed. Cir. Dec. 30, 2024) (Circuit Judges Prost, Reyna, and Taranto presiding; Opinion by Prost, J.)...more
In Teva Branded Pharmaceutical Products R&D, Inc. v. Amneal Pharmaceuticals of New York, LLC, the Federal Circuit jumped on the bandwagon of scrutinizing the types of patents that can be listed in the Food & Drug...more
In 2024, the Hatch-Waxman Act continued to play a critical role in the U.S. pharmaceutical landscape, driving the dynamics between brand-name drugmakers and generics. This landmark legislation, enacted to encourage innovation...more
The US Court of Appeals for the Federal Circuit affirmed a district court’s delisting of patents from the Orange Book because the patent claims did not “claim the drug that was approved” or the active ingredient of the drug...more
For branded drugmakers, the development of a pharmaceutical product approved by the Food and Drug Administration (FDA) all but assures generic competition. As discussed during the first installment of our Hatch-Waxman series,...more
CloudofChange, LLC v. NCR Corp., Appeal No. 2023-1111 (Fed. Cir. Dec. 18, 2024) In our Case of the Week, the Federal Circuit addressed the question of divided infringement in the context of system claims. In its...more
Forty years ago, Congress passed the Hatch-Waxman Act, which streamlined the generic drug approval process and revamped how patent infringement claims would be litigated against those prospective generic drug applicants. At...more
In Silvergate Pharmaceuticals, Inc. v. Bionpharma Inc., the US District Court for the District of Delaware decided an open question regarding pre-filing investigation and attorney fees under Title 35 of the US Code, Section...more
This chart summarizes the case name, drug, patents-in-suit, and publicly available terms for reported settlements in federal district court cases that are filed pursuant to the Hatch-Waxman Act....more
Case Name: Pacira Pharms., Inc. v. eVenus Pharms. Labs., Inc., Civ. No. 21-19829, 2024 WL 3812188 (D.N.J. Aug. 9, 2024) (Arleo, J.)....more