Last Updated: September 24, 2026

LASIX ONYU Drug Patent Profile

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Which patents cover Lasix Onyu, and what generic alternatives are available?

Lasix Onyu is a drug marketed by Sq Innovation and is included in one NDA. There are three patents protecting this drug.

The generic ingredient in LASIX ONYU is furosemide. There is one drug master file entry for this compound. Sixty-three suppliers are listed for this compound. Additional details are available on the furosemide profile page.

DrugPatentWatch^® Litigation and Generic Entry Outlook for Lasix Onyu

A generic version of LASIX ONYU was approved as furosemide by ESJAY PHARMA on July 27^th, 1982.

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Summary for LASIX ONYU

US Patents:	3
Applicants:	1
NDAs:	1
Finished Product Suppliers / Packagers:	1
What excipients (inactive ingredients) are in LASIX ONYU?	LASIX ONYU excipients list
DailyMed Link:	LASIX ONYU at DailyMed

Drug patent expirations by year for LASIX ONYU

Pharmacology for LASIX ONYU

Drug Class	Loop Diuretic
Physiological Effect	Increased Diuresis at Loop of Henle

US Patents and Regulatory Information for LASIX ONYU

LASIX ONYU is protected by three US patents.

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Sq Innovation	LASIX ONYU	furosemide	SOLUTION;SUBCUTANEOUS	217294-001	Oct 7, 2025		RX	Yes	Yes	⤷ Start Trial	⤷ Start Trial	Y			⤷ Start Trial
Sq Innovation	LASIX ONYU	furosemide	SOLUTION;SUBCUTANEOUS	217294-001	Oct 7, 2025		RX	Yes	Yes	⤷ Start Trial	⤷ Start Trial	Y			⤷ Start Trial
Sq Innovation	LASIX ONYU	furosemide	SOLUTION;SUBCUTANEOUS	217294-001	Oct 7, 2025		RX	Yes	Yes	⤷ Start Trial	⤷ Start Trial	Y			⤷ Start Trial
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Patent No.	>Patent Expiration	>Product	>Substance	>Delist Req.	>Exclusivity Expiration

International Patents for LASIX ONYU

See the table below for patents covering LASIX ONYU around the world.

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Country	Patent Number	Title	Estimated Expiration
Canada	3123718	COMPOSITIONS PHARMACEUTIQUES DE FUROSEMIDE ET LEURS UTILISATIONS (PHARMACEUTICAL COMPOSITIONS OF FUROSEMIDE AND USES THEREOF)	⤷ Start Trial
China	113271923	呋塞米的药物组合物及其用途 (PHARMACEUTICAL COMPOSITIONS OF FUROSEMIDE AND USES THEREOF)	⤷ Start Trial
European Patent Office	3906019	COMPOSITIONS PHARMACEUTIQUES DE FUROSÉMIDE ET LEURS UTILISATIONS (PHARMACEUTICAL COMPOSITIONS OF FUROSEMIDE AND USES THEREOF)	⤷ Start Trial
>Country	>Patent Number	>Title	>Estimated Expiration

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