IP Verse

Amneal Pharmaceuticals, Inc. et al. vs Nivagen Pharmaceuticals, Inc.

The detailed information for PTAB case with proceeding number IPR2025-00731 filed by Amneal Pharmaceuticals, Inc. et al. against Nivagen Pharmaceuticals, Inc. on Apr 11, 2025. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Case Details

Proceeding Number: IPR2025-00731
Filing Date: Apr 11, 2025
Petitioner: Amneal Pharmaceuticals, Inc. et al.
Respondent: Nivagen Pharmaceuticals, Inc.
Status: Pending
Respondent Application Number: 18460941
Respondent Tech Center: 1600
Respondent Patent Number: 11925661

Proceeding Documents

The table below shows documents filed in the case, listing each document name, filing date, document type, and filing party. Tracking these filings indicates the activity of the parties involved in the case, and the types of documents filed can provide insights into the legal strategies being employed.

Show Exhibit Documents

Document Name	Filing Date	Category	Filing Party
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20250717-Patent Owner Brief Support Request of Discr Denial IPR2025-00731 Patent No 11925661	Jul 17, 2025	PAPER	PATENT OWNER
Ex2001-US10632150-Thomas	Jul 17, 2025	EXHIBIT	PATENT OWNER
Ex2002-Sakowski-Decl-661	Jul 17, 2025	EXHIBIT	PATENT OWNER
Ex2003-CA-24-846-DI-61-Opinion	Jul 17, 2025	EXHIBIT	PATENT OWNER
Ex2004-Examiner-ReportAL-AWADI	Jul 17, 2025	EXHIBIT	PATENT OWNER
Ex2005-Compare-Thomas-Ex1007	Jul 17, 2025	EXHIBIT	PATENT OWNER
Ex2006-Rabinow-Decl-661	Jul 17, 2025	EXHIBIT	PATENT OWNER
Ex2007-RabinowCV	Jul 17, 2025	EXHIBIT	PATENT OWNER
Ex2008-Rangel-Frausto-2010	Jul 17, 2025	EXHIBIT	PATENT OWNER
Ex2009-Rosenthal-2004	Jul 17, 2025	EXHIBIT	PATENT OWNER
Ex2010-Franzetti-2009	Jul 17, 2025	EXHIBIT	PATENT OWNER
Ex2011-Graves-2011	Jul 17, 2025	EXHIBIT	PATENT OWNER
Ex2012-Lutwick2019	Jul 17, 2025	EXHIBIT	PATENT OWNER
Ex2013-US11141430-Koneru	Jul 17, 2025	EXHIBIT	PATENT OWNER
Ex2014-JtComm-2013	Jul 17, 2025	EXHIBIT	PATENT OWNER
Ex2015-Nivagen-v-Amneal-DDel-Docket	Jul 17, 2025	EXHIBIT	PATENT OWNER
Ex2016-DI22-OpenBr	Jul 17, 2025	EXHIBIT	PATENT OWNER
Ex2017-DI36-OppoBr-PI	Jul 17, 2025	EXHIBIT	PATENT OWNER
Ex2018-DI42-Reply-PI	Jul 17, 2025	EXHIBIT	PATENT OWNER
Ex2020-DI93-AnsCCs	Jul 17, 2025	EXHIBIT	PATENT OWNER
Ex2021-DI95-MTD	Jul 17, 2025	EXHIBIT	PATENT OWNER
Ex2022-DI101-OppBr-MTD	Jul 17, 2025	EXHIBIT	PATENT OWNER
Ex2023-DI102-Reply-MTD	Jul 17, 2025	EXHIBIT	PATENT OWNER
Ex2024-Email-Sotera	Jul 17, 2025	EXHIBIT	PATENT OWNER
Ex2026-DI29-AmijiDec	Jul 17, 2025	EXHIBIT	PATENT OWNER
Motion Pro Hac Vice - Yixin Tang	May 23, 2025	PAPER	PATENT OWNER
Notice: Mandatory Notice	May 22, 2025	PAPER	PATENT OWNER
Notice: Power of Attorney	May 22, 2025	PAPER	PATENT OWNER
Notice: Notice filing date accorded	May 20, 2025	PAPER	BOARD
U.S. Patent No. 11,925,661	Apr 11, 2025	EXHIBIT	PETITIONER
File history for the ’661 patent	Apr 11, 2025	EXHIBIT	PETITIONER
File history for U.S. Patent Application No. 17/499,001	Apr 11, 2025	EXHIBIT	PETITIONER
File history for U.S. Provisional Patent Application No. 63/090,518	Apr 11, 2025	EXHIBIT	PETITIONER
U.S. Patent Application Publication No. 2022/0110969	Apr 11, 2025	EXHIBIT	PETITIONER
International Patent Application Publication No. WO2020/081118	Apr 11, 2025	EXHIBIT	PETITIONER
FDA Drug Label “POTASSIUM PHOSPHATES injection, for intravenous use,” 2019	Apr 11, 2025	EXHIBIT	PETITIONER
Terlevich	Apr 11, 2025	EXHIBIT	PETITIONER
Ogawa	Apr 11, 2025	EXHIBIT	PETITIONER
US20190290602-Nevakar	Apr 11, 2025	EXHIBIT	PETITIONER
NEXCEL -Sealed Air Product Data Sheet for Nexcel® M312 Film	Apr 11, 2025	EXHIBIT	PETITIONER
Nema	Apr 11, 2025	EXHIBIT	PETITIONER
Rowe	Apr 11, 2025	EXHIBIT	PETITIONER
ISMP Canada Safety Bulletin, Volume 6, Issue 2 April 25, 2006	Apr 11, 2025	EXHIBIT	PETITIONER
FDA, NDA approval letter to CMP Development LLC, Sept. 2019	Apr 11, 2025	EXHIBIT	PETITIONER
Orange Book, September 2019	Apr 11, 2025	EXHIBIT	PETITIONER
Brunelli	Apr 11, 2025	EXHIBIT	PETITIONER
Redline of US2022/0110969 to US2023/0405045	Apr 11, 2025	EXHIBIT	PETITIONER
Complaint, Nivagen Pharma. Inc. v. Amneal Pharma. Inc.	Apr 11, 2025	EXHIBIT	PETITIONER
Amended Complaint, Nivagen Pharma. Inc. v. Amneal Pharma. Inc.	Apr 11, 2025	EXHIBIT	PETITIONER
Declaration of Mina Ching from the Internet Archive (archive.org)	Apr 11, 2025	EXHIBIT	PETITIONER
Declaration of Dr. Sylvia Hall-Ellis, Ph.D.	Apr 11, 2025	EXHIBIT	PETITIONER
Wadsworth	Apr 11, 2025	EXHIBIT	PETITIONER
Dailymed CMP FDA Drug Label September 23, 2020, Internet Archive	Apr 11, 2025	EXHIBIT	PETITIONER
Ex Parte Shirley	Apr 11, 2025	EXHIBIT	PETITIONER
Curriculum Vitae of Dr. Mansoor M. Amiji	Apr 11, 2025	EXHIBIT	PETITIONER
Perks	Apr 11, 2025	EXHIBIT	PETITIONER
U.S. Patent No. 4,872,553	Apr 11, 2025	EXHIBIT	PETITIONER
U.S. Patent No. 5,881,535	Apr 11, 2025	EXHIBIT	PETITIONER
U.S. Patent No. 5,896,989	Apr 11, 2025	EXHIBIT	PETITIONER
U.S. Patent No. 6,007,529	Apr 11, 2025	EXHIBIT	PETITIONER
U.S. Patent No. 6,713,137	Apr 11, 2025	EXHIBIT	PETITIONER
TechnoFlex Website: “PP bags for ready-to-use solution”	Apr 11, 2025	EXHIBIT	PETITIONER
U.S. Patent No. 5,783,269	Apr 11, 2025	EXHIBIT	PETITIONER
Statistics for Judge Williams and D. Del.	Apr 11, 2025	EXHIBIT	PETITIONER
Declaration of Dr. Mansoor Amiji	Apr 11, 2025	EXHIBIT	PETITIONER
Notice: Power of Attorney	Apr 11, 2025	PAPER	PETITIONER
Petition: as filed	Apr 11, 2025	PAPER	PETITIONER