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Federal Circuit Affirms Obviousness of Rifaximin Polymorph Patents and Denial of Motion to Modify Judgment After Post-Trial...

In a precedential opinion issued on April 11, 2024 in Salix Pharmaceuticals, Ltd. v. Norwich Pharmaceuticals Inc., Nos. 22-2153, 23-1952, the U.S. Court of Appeals for the Federal Circuit affirmed the U.S. District Court for...more

Federal Circuit Affirms Delisting of REMS System Patent from FDA Orange Book

On February 24, 2023, the U.S. Court of Appeals for the Federal Circuit, in Jazz Pharmaceuticals, Inc., v. Avadel CNS Pharmaceuticals, LLC, Case No. 23-1186, affirmed a decision from the District Court of Delaware directing...more

D. Del. Says ANDA Specification Trumps All Else in Infringement Analysis

On February 8, 2022, U.S. District Court Judge Maryellen Noreika of the United States District Court for the District of Delaware granted the plaintiff’s motion to exclude defendant’s expert testimony for being “based on an...more

Federal Circuit Affirms Dismissal of Hatch-Waxman Defendants for Lack of Venue and Failure to State a Claim

On November 5, 2021, the U.S. Court of Appeals for the Federal Circuit in Celgene Corp. v. Mylan Pharmaceuticals Inc., Case No. 21-1154, affirmed a decision from the District Court of New Jersey dismissing a suit brought by...more

PTAB statistics show interesting trends for Orange Book and biologic patents in AIA proceedings

The Patent Trial and Appeal Board (“PTAB”) regularly tracks statistics regarding administrative trials conducted under the processes created by the America Invents Act (“AIA”), which provide insight into recent trends...more

In Hatch-Waxman litigation, Federal Circuit restricts venue under the TC Heartland to districts relating to ANDA filings

On November 5, 2020, the United States Court of Appeals for the Federal Circuit, in Valeant Pharmaceuticals N. Am. LLC v. Mylan Pharmaceuticals Inc., No. 19-2402, resolved a split among district courts over what constitutes...more

Celgene v. Sun Pharma Global: Satisfying Subject Matter Jurisdiction Under § 271(e)(2)

On April 6, 2020, the U.S. District Court for the District of New Jersey, in Celgene Corp. v. Sun Pharma Global FZE, No. 19-cv-10099, denied Sun’s motion to dismiss Celgene’s claims that Sun’s generic Revlimid® (lenalidomide)...more

ANDA Applicant Dismissed for Lack of Venue Under § 1400(b) as District of New Jersey Departs from its own and the District of...

On August 13, 2019, the United States District Court for the District of New Jersey, in Valeant Pharmaceuticals N. Am. LLC v. Mylan Pharmaceuticals Inc., No. 18-cv-14305, held that venue was not proper in New Jersey over...more

Federal Circuit Cautions Against Rigid Approach to Prosecution History Estoppel in Fourth Appeal from ALIMTA® Litigations

On August 9, 2019, the United States Court of Appeals for the Federal Circuit, in Eli Lilly & Co. v. Hospira, Inc., Nos. 2018-2126, 2127, 2128, reversed in-part and affirmed in-part a district court’s determination of...more

Dueling Declaratory Judgment Suits Result in a Dismissal and Boomerang Transfer Back to the First-filed Forum Under TC Heartland

On April 17, 2019, Judge Gilstrap of the United States District Court for the Eastern District of Texas, in Apicore v. Beloteca, No. 19-cv-00077, held that while the court could exercise personal jurisdiction over a generic...more

District of Delaware Dismisses ANDA Applicant for Lack of Venue under TC Heartland

On October 18, 2018, the United States District Court for the District of Delaware, in Bristol-Myers Squibb v. Mylan Pharmaceuticals Inc., No. 17-00379, held that venue was not proper in Delaware over Mylan Pharmaceuticals...more

Court Denies Generic Drug Manufacturer’s Motion to Dismiss Hatch-Waxman Patent Infringement Action on Jurisdiction Grounds

On March 12, the United States District Court for the Southern District of Indiana joined the District of Delaware and Eastern District of Texas as the first courts to consider a generic drug manufacturer’s motion to dismiss...more

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